Vintage Gretsch Strap Button Lock Nickel | Reverb UK
Strap Buttons / Pins - Gretsch, Screw-On | Amplified Parts
Gretsch Built In Strap Locks -- What You Need To Know! 5420tg - YouTube
I got a couple chrome 1/4" x 7/8" washers to use as strap-locks with the standard Gretsch Electromatic strap buttons. They work great. Three bucks! | Gretsch-Talk Forum
2 Official Gretsch Chrome Strap lock 922-1030-000 717669275419 | eBay
2 Official Gretsch Gold Strap lock 922-1029-000 | eBay