D'Addario Universal Strap Lock System with Black Chrome Strap Buttons

D'Addario say: "D'Addario's Universal Strap Locks, designed by Ned Steinberger, give you the certainty and peace of mind that your instrument and strap are firmly locked in place. With hassle-free installation, our Strap Locks make it quick and easy to connect and remove your strap, leaving you free to move about the stage with confidence. Strap Buttons are available in black, gold, and nickel." Complete strap security Works with most strap models with tool free installation on the strap Strap buttons available in 3 colors (gold, nickel, black chrome)* A Ned Steinberger design Patent pending * Please note that the main components of the system (strap knobs and button slides) are finished in the same colour for both nickel and black chrome variations - it is specifically the strap buttons that differ. See photos.