{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.flip-flap","code":"thing-q1324949","url":"https://ver.cy/models/thing/q1324949/","name":"Flip flap","alternateNames":[],"kind":"thing","status":"published","version":"0.1.0-research.1","language":"en","classifiers":{"family":"Thing Registry","category":"Activities and processes","entryKind":"thing","plane":"ACT","domain":["ACT.ACT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"In association football, a flip flap, also called an elastico, is a dribbling feint in which a player uses the outside and then the inside of the same foot to move the ball rapidly in opposite lateral directions and deceive a defender.","purpose":"Enable an agent to recognise a flip flap attempt, assess its execution and defensive effect, and identify suitable practice or match actions.","scope":{"in":["The same-foot outward movement and inward redirection that define the working recognition pattern","Preparation, ball manipulation and immediate exit from an attempt","The defender's observable response to the initial directional cue","Technical completion, possession retention and local advantage","Variant identification and uncertainty in video annotation"],"out":["General dribbling competence and complete player profiles","Full attacking tactics and subsequent possession sequences","Stepovers, body feints and other independently modelled techniques","Football equipment specifications and playing-surface maintenance","Video-game controls or animations named flip flap"],"boundaries":[]},"distinguishingFeatures":["Under the proposed canonical test, the same foot moves the ball outward and redirects it inward in one closely linked sequence.","The first directional cue includes actual ball movement, distinguishing it from a body-only feint.","Recognition requires a reversal of the initial ball direction, rather than a single outside-foot push.","A sequence transferring the ball between two feet does not satisfy the canonical same-foot test.","A recognisable attempt can fail to beat a defender; execution identity and tactical success require separate judgments."],"structure":{"bundles":[{"id":"flip-flap-identity","name":"Flip flap identity","description":"Establish the intended football technique and the evidence needed to recognise it.","layers":[{"id":"name-and-referent","name":"Name and referent","description":"Connect the label to the football usage without treating that connection as registry confirmation.","findings":[{"id":"elastico-name-link","name":"Elastico name link","description":"A coaching source explicitly uses Flip Flap as another name for Elastico. This supports the proposed interpretation but does not establish the registry's intended referent. [Discover Soccer](https://www.discoversoccer.info/offense/learn-ronaldinho-tobin-heaths-elastico-dribbling-move).","questions":[{"text":"Does the originating registry record identify the football elastico?","id":"elastico-name-link-q01","kind":"provenance"},{"text":"Which names are documented equivalents in the usage being modelled?","id":"elastico-name-link-q02","kind":"definition"}]}]},{"id":"movement-boundary","name":"Movement boundary","description":"Apply a provisional movement test and preserve disputed variants.","findings":[{"id":"canonical-recognition-rule","name":"Canonical recognition rule","description":"Use same-foot outward displacement followed by inward redirection as the draft operational criterion; record reversed sequences separately until their inclusion is settled.","questions":[{"text":"Does the observed attempt contain the proposed same-foot outward-to-inward sequence?","id":"canonical-recognition-rule-q01","kind":"definition"},{"text":"Does the selected coaching convention include a reverse elastico within flip flap?","id":"canonical-recognition-rule-q02","kind":"boundary"}]}]}]},{"id":"ball-and-foot-sequence","name":"Ball and foot sequence","description":"Represent the preparation, directional switch and exit as observable phases.","layers":[{"id":"entry-and-first-displacement","name":"Entry and first displacement","description":"Describe the ball's starting relationship to the executing foot and its initial outward movement.","findings":[{"id":"reachable-outward-cue","name":"Reachable outward cue","description":"Record the initial ball position, executing foot and outward excursion to assess whether the subsequent reversing contact remains available.","questions":[{"text":"Where is the ball relative to the executing foot when outward movement begins?","id":"reachable-outward-cue-q01","kind":"measurement"},{"text":"How far does the ball travel outward before reversal or loss of control?","id":"reachable-outward-cue-q02","kind":"measurement"}]}]},{"id":"reversal-and-exit","name":"Reversal and exit","description":"Track the reversing action and the attacker's next controlled movement.","findings":[{"id":"linked-redirection","name":"Linked redirection","description":"Annotate the reversal, contact evidence and next controlled touch; avoid assuming that a visually smooth sequence proves uninterrupted foot-ball contact.","questions":[{"text":"What elapsed time separates initial outward displacement from inward reversal?","id":"linked-redirection-q01","kind":"measurement"},{"text":"Can the executing foot's role in both directions be established from the available view?","id":"linked-redirection-q02","kind":"boundary"},{"text":"Does the exit leave the ball available for the attacker's next intended action?","id":"linked-redirection-q03","kind":"action"}]}]}]},{"id":"defender-deception-and-space","name":"Defender deception and space","description":"Connect the ball-direction switch to an opponent's response and the available exit.","layers":[{"id":"initial-directional-cue","name":"Initial directional cue","description":"Record the apparent outward route and any response preceding reversal.","findings":[{"id":"observable-defender-commitment","name":"Observable defender commitment","description":"Distinguish visible steps, turns or tackle movements toward the initial cue from inferred deception.","questions":[{"text":"Which defender is positioned to respond to the initial outward movement?","id":"observable-defender-commitment-q01","kind":"boundary"},{"text":"What observable response occurs before the ball reverses direction?","id":"observable-defender-commitment-q02","kind":"measurement"}]}]},{"id":"inward-exit-opportunity","name":"Inward exit opportunity","description":"Assess the space available after redirection in the local encounter.","findings":[{"id":"usable-exit-corridor","name":"Usable exit corridor","description":"Record whether the inward route is accessible to the attacker and whether the target defender, cover defender or touchline restricts it.","questions":[{"text":"What space is available along the inward exit when reversal occurs?","id":"usable-exit-corridor-q01","kind":"measurement"},{"text":"Does the observed configuration support continuing the dribble, protecting the ball or releasing it?","id":"usable-exit-corridor-q02","kind":"action"}]}]}]},{"id":"attempt-assessment","name":"Attempt assessment","description":"Separate movement completion, tactical effect and evidence quality.","layers":[{"id":"completion-and-effect","name":"Completion and effect","description":"Evaluate the movement and immediate encounter using distinct outcomes.","findings":[{"id":"separate-success-judgments","name":"Separate success judgments","description":"Record whether the directional sequence completed, possession remained with the attacker and the target defender was bypassed within a declared observation window.","questions":[{"text":"Was the same-foot directional switch completed even if the defender stayed with the attacker?","id":"separate-success-judgments-q01","kind":"boundary"},{"text":"At what endpoint are possession retention and defender bypass assessed?","id":"separate-success-judgments-q02","kind":"measurement"}]}]},{"id":"observation-confidence","name":"Observation confidence","description":"Identify what footage supports and what remains obscured.","findings":[{"id":"contact-and-timing-evidence","name":"Contact and timing evidence","description":"Attach the clip interval, viewing angle and frame rate to annotations; leave contact sequence or timing unresolved when the evidence cannot distinguish them.","questions":[{"text":"Which clip and frames support the executing-foot and reversal annotations?","id":"contact-and-timing-evidence-q01","kind":"provenance"},{"text":"Could occlusion or frame spacing hide an extra touch or change the classification?","id":"contact-and-timing-evidence-q02","kind":"boundary"}]}]}]},{"id":"practice-and-correction","name":"Practice and correction","description":"Translate observed execution limits into targeted practice choices.","layers":[{"id":"execution-breakdown","name":"Execution breakdown","description":"Locate the earliest observable failure in the outward-to-inward sequence.","findings":[{"id":"phase-specific-practice-focus","name":"Phase-specific practice focus","description":"Use observed ball escape, missed reversing contact or uncontrolled exit to choose a practice focus; do not infer an unseen biomechanical cause.","questions":[{"text":"At which phase does the attempt first depart from the intended sequence?","id":"phase-specific-practice-focus-q01","kind":"measurement"},{"text":"Should the next practice isolate outward excursion, reversing contact or the first exit touch?","id":"phase-specific-practice-focus-q02","kind":"action"}]}]},{"id":"transfer-to-opposition","name":"Transfer to opposition","description":"Distinguish unopposed execution from use against a reacting defender.","findings":[{"id":"pressure-specific-evidence","name":"Pressure-specific evidence","description":"Record practice conditions alongside results so unopposed repetition is not treated as proof of effective deception in a match.","questions":[{"text":"Was the attempt unopposed, performed against a constrained defender or used against active opposition?","id":"pressure-specific-evidence-q01","kind":"boundary"},{"text":"What observed difficulty should determine whether the next drill changes approach speed, defender freedom or exit space?","id":"pressure-specific-evidence-q02","kind":"action"}]}]}]},{"id":"evidence-and-external-alignment","name":"Evidence and external alignment","description":"What the world already says about this thing, gathered so the model can be checked against it.","layers":[{"id":"reported-evidence","name":"Reported evidence","description":"Findings from the breadth pass, kept separate from the structural claims.","findings":[{"id":"evidence-confidence-notes","name":"Check these first","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these check these first hold for the sense of Flip flap this model covers, and on what evidence?","id":"evidence-confidence-notes-q01","kind":"provenance"}]},{"id":"evidence-kinds","name":"Kinds and varieties","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these kinds and varieties hold for the sense of Flip flap this model covers, and on what evidence?","id":"evidence-kinds-q01","kind":"provenance"}]},{"id":"evidence-real-world-use","name":"Real-world use","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these real-world use hold for the sense of Flip flap this model covers, and on what evidence?","id":"evidence-real-world-use-q01","kind":"provenance"}]},{"id":"evidence-failure-modes-and-hazards","name":"Failure modes and hazards","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these failure modes and hazards hold for the sense of Flip flap this model covers, and on what evidence?","id":"evidence-failure-modes-and-hazards-q01","kind":"provenance"}]},{"id":"evidence-neighbours","name":"Neighbouring kinds and how to tell them apart","description":"Recalled without web access and unsourced; every item is a lead to verify.","questions":[{"text":"Which of these neighbouring kinds and how to tell them apart hold for the sense of Flip flap this model covers, and on what evidence?","id":"evidence-neighbours-q01","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Explain the flip flap and its history in football.","Describe how players practise it safely."],"mustNot":["Mock players who fail at the skill or encourage taunting opponents with it.","Attribute its invention to one player as fact where sources disagree.","Encourage young players to practise on unsafe surfaces or near traffic."],"requiresHuman":["Coaching young players as their sole trainer."]},"ethics":{"considerations":["Skill moves are part of the game's culture; credit for them should be accurate.","Taunting can escalate into conflict on the pitch."],"affectedParties":["Players","Young footballers"]},"owners":{"steward":"Nobody owns the move; football's governing bodies set the laws of the game.","roles":[],"masterSystems":[]},"relations":[{"target":"Q115690076","type":"parent","note":"registry parent class"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.flip-flap","Wikidata: Q1324949 (https://www.wikidata.org/wiki/Q1324949)"]},"properties":{"applicability":"not-applicable","items":["Technique interpretation: canonical elastico interpretation | proposed variant | ambiguous referent","Executing foot: left | right | indeterminate","Observed contact sequence: outside-to-inside same foot | inside-to-outside same foot | other | obscured","Redirection interval: milliseconds between annotated initial displacement and reversal; unknown if unresolved","Ball excursion: metres, or ball diameters when scale is unavailable, with reference frame recorded","Defender configuration: target defender, relative position, closing direction and distance at initiation","Defender response: moves toward initial cue | holds position | tracks reversal | other | unobservable | no defender","Attempt outcome: record technical completion, possession retention and defender bypass separately as yes | no | uncertain | not applicable"]},"recognition":{"applicability":"optional","items":["The ball moves outward and then inward through successive contacts with the outside and inside of the same foot.","The two contacts form a rapid sequence that reverses the ball's lateral direction.","Unlike a stepover, the feint includes contact that redirects the ball during the deceptive movement."]},"capabilities":{"applicability":"required","items":["Classify a filmed attempt against explicit same-foot and directional-reversal criteria.","Annotate the initial cue, reversal and exit with confidence and visibility limits.","Compare attempts by foot, ball excursion and reversal timing.","Assess whether the defender responded to the initial cue and whether usable space followed.","Select a practice focus from the observed failure phase.","Flag ambiguous variants for review instead of creating an unsupported registry split."]},"hazards":{"applicability":"required","items":["Poor control can expose the ball to an opponent and cause a loss of possession.","A rapid change of direction can contribute to loss of balance or lower-limb strain.","Close contact with a defender can result in a collision, a fall or a foul."]},"interfaces":{"applicability":"required","items":["The Laws of the Game, issued by the International Football Association Board, govern this move during association football matches."]},"context":{"applicability":"required","items":["A flip flap is used in association football to deceive a nearby defender while dribbling.","It is encountered in matches and technical training where a player seeks space through a rapid change in the ball's direction."]}},"sources":[{"title":"Wikidata item Q1324949: flip flap","url":"https://www.wikidata.org/wiki/Q1324949","note":"identity and sense of the item"},{"title":"Wikipedia: Flip flap (association football)","url":"https://en.wikipedia.org/wiki/Flip_flap_%28association_football%29","note":"general description of the item"}],"openQuestions":["Does the originating registry identifier confirm association football as the intended meaning of Flip flap?","Does an existing Vercy world model already own elastico or this exact technique, requiring a link instead of another publication?","Which coaching sources agree on the canonical contact sequence, and how do they describe continuous contact versus successive touches?","Should reverse, airborne or combined elasticos be variants within this entry or relations to neighbouring techniques?","What annotation conventions and observation windows make timing, technical completion and defender-bypass judgments reproducible?"],"resources":{"spec":"/models/things/publications/thing-q1324949/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1324949/spec.json"],"providers":["Codex"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T09:45:58Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T10:10:26+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane ACT: no invented physical properties."},"score":1.0}}