Securely fasten your strap to any instrument with Ernie Ball rubber strapblocks. Fits most strap button types and provides a tight fit without any modification to your guitar. Made of flexible, durable rubber that will...

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Replace, Repair and Restore—Genuine Fender Parts The most reliable and hassle-free instrument strap lock system ever devised. No need to remove or replace existing strap buttons on your guitar; just slip easily...

Replace, Repair and Restore—Genuine Fender Parts The most reliable and hassle-free instrument strap lock system ever devised. No need to remove or replace existing strap buttons on your guitar; just slip easily...

Set of four Fender Strap Blocks (two black and two red) that provide a remarkably simple and effective means of "locking" instrument straps in place. Compatible with most OEM strap buttons.