hello.
I'm following this tutorial: https://vimeo.com/228247052 [vimeo.com]

I'm trying to attach the muscle deformations to a rigged skin. Once I click on “Muscle displace” and select the skin and the muscle, The following appears:



I attached a scene with only the left bicep setup as a muscle. https://drive.google.com/file/d/1ZA1MIjGY8Txn6p8htoM8WTwuFF7phYZ8/view?usp=sharing [drive.google.com]

I can't get it to affect the skin.
What am I missing? Please help. Thank you.

The reason was that I was using the muscle rig as opposed to the stroke muscle