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Big Flated Head Guitar Security Strap Locks Systems and Buttons for Acoustic Electric Guitar Bass Schaller-style Straplocks Replacement,Gold (Pack of 2) - Walmart.com
Schaller Strap Locks 509 - Nickel
Unbranded Schaller Style Gold Strap Locks & Knobs for Guitars - 1 Set of 2 Locks | Reverb
Real Life Relics Fender® Style Schaller Designed Strap Locks Aged - Tricked Out Guitar