It would be neat if you could put chitin plates in boots/helmets/metal armor in place of metal plates. I don't really think there's a niche for it, I admit.
Maybe tint metal armor blue for psi carapace, reddish for giant/colossal crabs, purple for psi crabs, brown for burrowers.
Also, I'm a little surprised that crawlers dont drop any chitin/leather. A deathstalker armor would be really neat.
