How do I change the origin of a cable component?

Development Character & Animation
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1

I followed a tutorial on making a Just Cause style grappling hook and it works great. Only problem is that the cable component used has one end always coming from the center of my character. I made a socket on it’s wrist, but it won’t connect, how can I get the cable to originate from the wrist?

2

I guess that the cable component is still in the experimental stage，so there are a lot of bugs.