Unverified90% confidenceCautionTime unknown
在松软沙地或雪地中抓地力不足，圆形实心截面缺少翼片或螺旋结构，容易被拔出，此类地面应选用宽面沙钉或雪锚
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90%
Confidence
Long-term
Relevance
-
First Seen
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Unverified沙地/雪地必须用宽面积沙钉（雪锥）或长度25cm以上的宽扁钉，普通细长地钉在沙雪中基本无固定力84% similarUnverified松软沙地/雪地需要长度≥30cm的螺旋钉或宽面沙地锚，普通18-20cm直钉在沙土中固定力几乎为零，风一吹即松脱79% similarUnverified不适合登山、徒步陡坡或硬冰面场景，钢丝线圈无齿钉设计在陡峭或纯冰面上抓地力不足，容易打滑79% similarUnverified不适合登山、越野或深雪徒步等需要强抓地力的场景，钢丝线圈式设计在陡坡或厚冰面上抓地力明显不足77% similarUnverified不适合陡坡登山或厚实积雪徒步，钢丝螺旋线圈在深雪或陡峭冰面上抓地力不足，无法替代带金属爪钉的冰爪77% similar
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