i was looking for some simple locking system and a new strap when I read something like a "top 5" review and D'Addario auto lock strap was the 2-in-1 thing that seemed perfect for me. Only when I got it I was amazed that it's really a very simple system, very easy to put it on the guitar. That makes the procedure of changing the guitars very easy, you just keep the strap on your shoulders. The strap itself is very silky and soft, it's clearly the best I ever had.