"My camouflaged piston is showing a black and purple checkerboard." Solution: You ran out of Camouflage Powder. The mod requires one powder per texture change. Right-click the piston with another powder while looking at the target block.
The primary mechanic involves using piston-like objects to interact with the character model. Ender Bead Management: One of the most unique items in the mod is the Ender Bead lovely craft piston trap mod