Only $ 5.79: Guitar Bass Strap Secure Lock Knob End Pin, Retail & Wholesale Online Shopping

Made of durable iron, electroplated silver tone
Suitable for all kinds of guitars
Easy to install, convenient to use

Installation Steps:
1. Release the fastening nut from the straplock, screw in the pin on the guitar
2. Make sure the pin is tightened, then lock the strap to the straplock button
3. Insert the straplock into the fastening nut

For more info please visit the following site:

http://www.1powershop.com/en/others/guitar-bass-strap-secure-lock-straplock-knob-end-pin.html