2 Pieces Guitar Strap Locks, Metal Black Flat Round Head Straplocks, Buttons Security Quick Release Heavy Duty Strap Lock Set with Silicone Blocks for Electric Acoustic Guitar Bass

Looks like this https://www.amazon.com/LifCratms-Straplocks-Security-Silicone-Electric/dp/B0CC7Y1XFF?th=1 (cheap chinese OEM garbage) I would replace them with something better and more reliable.