Dunlop"s Joe Perry 257 Signature "Boneyard" slide serves up bluesy and soulful tone, whether you"re on an acoustic in your living room or an electric in a packed stadium. Joe Perry of Aerosmith is a certified guitar hero, and when it comes to slides, Joe prefers porcelain. He likes the way the porous interior surface wicks away finger moisture and keeps the slide in place. The Joe Perry Slide is available in four sizes. Slide like a pro, with the Dunlop Joe Perry 257 "Boneyard" slide.