Unverified50% confidenceDecision RuleTime unknown

儿童园所/校园用卡套优先选断裂扣（防勒扣）挂绳，扣力阈值≤2kg，遇外力可自动脱开，避免挂绳缠绕颈部造成勒伤风险

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Unverified配备安全易断扣设计，当挂绳受到较大外力拉扯时会自动断开，降低勒脖风险，适合低龄幼儿使用83% similar Unverified按压式安全扣设计适合儿童自主穿脱，但扣具为软塑材质，对于活动量极大的儿童需关注扣具是否易意外弹开83% similar

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