重力刀

重力刀(Gravity Knife),用單手打開保險後,押住保險且將頭朝下,此時刀刃便會受重力影響而從握柄中掉出,十分簡單但耐用/實用的設計;[1]

参见条目

参考文献

  1. Langston, Richard. . Boulder, Colorado: Paladin Press. 2001: 224. ISBN 1581602839.
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