Need help with models/playermodels!!

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  1. I assume the bones arn’t parented correctly or constraints are incorrect.
  2. Yes, you need the model to be on the correct skeleton and be compiled with the correct animations included.

It’s probably a good idea to post pictures, your compile .qc, a download link with the source files for your model, etc. As it’s easier to troubleshoot from those rather than a few vague sentences.