From L to R: Prairie Rattlesnake Skin.
Prairie Rattlesnake Skin and Thuya Burl wood
Diamondback Snakeskin on Yew Wood
Diamondback Snakeskin on Walnut Burl
Credit to IAP member "ItsVirgil"for the the wood and Snakeskin pens. The first ones I had seen were ones he made. These are just my version.