| 摘要 |
A snap hook includes an S-shape having a hook formed on one end of a shank and an eyelet on the other end, the hook includes a receiving end located close to a ridge of the shank to define a mouth between the receiving end of the hook and the ridge. A retaining device includes a gate having a head and rotatable relative to the shank between a closed position where the head is engaged with the receiving end of the hook and an open position where the head is disengaged from the receiving end of the hook. A latch may selectively lock the gate to the hook, to prevent the head of the gate from being rotated away from the receiving end of the hook inadvertently.
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