| 摘要 |
An apparatus and method for controlling use of a knife is provided that includes a positionable detent mechanism. The detent mechanism is provided with a plate fixedly attached to a sheath. A hollow post with internal threads is inserted into the plate. A cavity is formed in the plate for holding a ball bearing and a wafer. The positionable detent mechanism also includes a disk with an orifice at the center that can be positioned over the post. Pegs are installed on the disk. Also, the disk includes a tapped hole and cap. A sheath is connected to the detent mechanism for holding the knife. A block is connected to the detent mechanism for orienting the sheath. A clip is provided for securing the apparatus on a belt or other object.
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