| 摘要 |
A hook forms a portion of an eye loop. A lever is pivotally movable relative to the hook. The lever forming a remaining portion of the eye loop. A thumb tab engages the lever and is positioned in an angled slot defined in a guide plate. The thumb tab is slidable in the angled slot, forming a release mechanism, such that the sliding movement of the thumb tab in the angled slot urges the lever to pivot relative to the hook to open said eye loop. The lever further includes an opening for receiving a protruding portion of the thumb tab, such that the lever can rotate to open the eye loop, essentially without sliding the thumb tab down in the slot of the hook.
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