I was having difficulties using the physique modifier on my model that I decided to give skin a go. It well well, I edited the envelopes and was really pleased with my work. I then tried to test it by moving a limb and nothing happened. It appears that the mesh isn't affected by the bones, even though the skin modifier is on and all of the biped parts has been added to it. I'm sure I've missed something out here, but when I read tutorials I can't see what.

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