Amazon.com: Musiclily Guitar Bass Schaller-Style Security Straplocks Round Head Strap Locks and buttons Straplocks System for Electric Acoustic Guitar Replacement,Chrome (Pack of 2) : Musical Instruments
Schaller Strap Lock System, Nickel
Schaller S-Locks Security Strap Locks - Nickel
Schaller Nickel Strap Locks – Garrett Park Guitars