The Ernie Ball PolyLock Neoprene strap adds a higher level of comfort and security than most standard straps currently available. Great for redistributing instrument weight and particularly suited for those with existing ailments, aches or chronic pain. The Neoprene strap material is ultra-durable, flexible, and cushiony allowing for several hours of playing time without discomfort. Patent pending PolyLock ends securely attach the strap to your original electric guitar or bass strap buttons, for a fast, safe and secure connection without the need for modification.