Bitchstraps Capo Holster Brown The capo and slide/harmonica holsters offer a whole new way to store these items on stage. They effectively turn your guitar strap into a tool belt. These products are modular, and can be added and removed to any strap at any time. Hand Made in Nashville, Tennessee All Bitch Straps products are made of the highest quality leather Rivets and hardware in the designs in place of stitching. Coupled with actual hardware, the straps had a totally unique aesthetic.