When the screw is rotated, the convex pole of the screw suppresses the chain articulated pin of the chain and shoves the articulated pin to dismantle the chain.
转动螺杆，螺杆的凸柱压住链条的链条活节销，可以将链条活节销挤出，拆卸链条。
2
The rod was a bamboo pole, the hook was converted from a paper pin, the string was cotton sewing thread, the float pulled from a broom, and tooth-paste casing boiled and shaped into a plummet.
The 8-pole connection System gives you the convenience and security of an Ultra-Lock connection in a higher pin count to handle a broader array of applications.