Fits virtually any guitar's existing end pins and stays securely locked in place until you release the side pin. Easily swaps out to other guitars. Thanks to the patented design Planet Lock system, this 2" polypropylene guitar strap fits virtually any guitar and stays locked in place until you release the side pin. Unlike ordinary strap lock systems, Planet Lock is designed to fit securely on your guitar's existing end pins, so there is no need to change the hardware on your guitar. Plus, you can easily swap out the guitar strap to different guitars.