Unverified82% confidenceDecision RuleTime unknown
承重要求下选卡扣+插销双重锁定结构，单纯磁吸拼接的横向抗拉力普遍＜5kg，多只宠物同时活动或大型犬撞击时易脱节
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82%
Confidence
Long-term
Relevance
-
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Unverified多档位插销/齿轮式调节比无级螺旋调节更稳固耐用，螺旋式长期使用易滑丝松动导致大型犬进食时晃动，25kg以上犬只优先选插销卡扣式82% similarUnverified大型犬或撞击力强的宠物应选带地钉固定或底部延展脚的款式，无固定的独立铁网片易被撞倒；塑料拼接款仅适合5kg以下温顺宠物82% similarUnverified拉扯力强或有暴冲习惯的中大型犬应选金属插扣或双D环，塑料侧压扣（POM扣）承重普遍在10-25kg级别，超此拉力易在遛狗时崩开80% similarUnverified拉链需选双头拉链+锁扣或S型防脱扣设计，单头普通拉链宠物可用爪子从内侧顶开约2cm缝隙钻逃，尤其对1.5-2.5kg的小型犬猫无效80% similarUnverified固定方式稳定性排序：金属插扣（承力最强，适合大型犬牵引）＞塑料卡扣（轻便，中小型犬）＞磁吸扣（易松脱，仅装饰用）；牵引用途必须验证扣具静态承重＞宠物体重3倍80% similar
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