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1·Chest harness - a harness used in conjunction with a seat harness to keep the body upright in case of a free fall (into a crevasse, for instance).

胸式安全带，用于连接座式安全带，以保证坠落时身体直立。也用于在携带重物下降时支撑身体。

2·Lock Tite chest clip helps position harness straps for optimal performance. It's super-strong and curved for a comfortable fit.

胸扣使肩带能调节到最佳的位置，它超级坚固并弯曲成舒适的形状。