| 摘要 |
A method includes loading a longitudinal member comprising holes located at distal ends of the longitudinal member into a holder, the holder comprising a tip end comprising a first portion and a second portion, wherein any of the first portion and the second portion comprise a prong tip; a handle end located distally away from the tip end, wherein the handle end comprises a first gripping arm and a second gripping arm; and an engaging member operatively connecting the first gripping arm to the second gripping arm, wherein the engaging member comprises tooth-like features. The method further comprises engaging the tooth-like features of the engaging member with the second gripping arm; and fitting the prong tip of any of the first and second portions of the tip end of the holder into a hole of the longitudinal member.
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