Papa Joe's (&trade;) New Vintage LQQK Copper Guitar Slide Brand Spanking New With Vintage Copper Patina & Coloration Achieved Using Our Proprietary Aging Process Each Slide Made by Hand Start to Finish in the U.S.A. - From Our Hands to Yours No Two Slides are Exactly Alike... Each is as Unique As the Guitarist Who Plays it Anti-Slip Inner Ridge Helps Keep Slide in Place as You Play Our Copper Slides Offer a Distinctly Warmer Tone Than Other Metal or Glass Guitar Slides