| 摘要 |
A snap hook includes a hook member having a mouth formed between two ends, a gate pivotally secured to one end of the hook member and having the other end rotatable toward or away from the hook member to enclose or open the mouth of the hook member. A spring may bias the gate to enclose the mouth of the hook member. A latch is slidably attached onto the gate and may selectively engage with the hook member, to lock the gate to the hook member, and to prevent the other end of the gate from being rotated away from the hook member and thus to prevent the mouth of the hook member from being opened inadvertently, by such as children.
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