Unverified90% confidenceDecision RuleTime unknown
牵引绳材质优先选宽度≥2cm的加厚织带而非细尼龙绳：细绳突然拉拽会勒伤儿童手腕或胸腔，织带款配合胸背式固定可分散拉力
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Long-term
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Unverified固定带应为宽度≥2cm的软质织带加胸前双扣设计，仅有单条细带的产品易勒进腋下且宝宝易挣脱85% similarUnverified颈绳材质选宽度≥1.5cm的织带比细绳更分散压力，长时间佩戴不勒脖；可调节长度款能适应内藏或外挂两种佩戴方式84% similarUnverified胸针针扣长度应比布料厚度大3-5mm，别针式（safety pin）适合毛衣针织物，罗盘式/旋转扣（rotating clasp）更牢固适合真丝雪纺等薄面料防止脱落83% similarUnverified滑扣式（穿绳套在项圈上）领结适配颈围调节范围最大，一个尺码可覆盖颈围20-40cm，比固定缝制式的通用性高；缝制式仅适合专属定制83% similarUnverified腰部采用无抽绳软松紧设计，符合儿童安全规范，可避免绳带勒伤或缠绕风险，但腰围松紧调节灵活性相对有限82% similar
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