Finally, a simple strap lock! Simply place the guitar button into the hidden hole on the bottom side and pull forward. The end tab will then lock into the secondary front hole. Once in the forward slot it is trapped. Each strap is 2" woven material, with edge sewn leather end tabs. Sewn to meet airline safety standards for unparalleled strength. No metal components to dent or scratch your guitar. Available in a variety of colors. Fully Adjustable.