What's the best way to tell if a part's face is touching or not?

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You can write your topic however you want, but you need to answer these questions:

  1. What do you want to achieve? My goal is to know if the face of the part is being touched in the Arena and then see if it can move or not.

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  1. What is the issue? I don’t know how to use the hit function for the face of the part and also how to make the hit for Vector3.

  2. What solutions have you tried so far? I already tried to make the hitbox of the face by two parts in front and behind but it didn’t work with the hit function with the Vector3.

I want to know a way to make my target goal as functional and compact as possible.