tifanso 6 Pairs Guitar Strap Locks, Premium Strap Blocks, Guitar Protector Black

Universal: These guitar strap blocks work with most strap buttons., Easy to Install: No drilling, no screwing, easily slip over exiting strap buttons. No need to remove or replace existing strap buttons on your guitar., Tight & Security: Nothing mechanical to break or wear out. Don't need to buy a special connector for each strap and guitar., Convenient: Comes with SIX-PACKS, made by sturdy silicone convenient for replacement.