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D'Addario Flex Lock Strap Blocks are a hassle-free strap locking system designed for players who don't want to modify their existing end pins. Simply slip the Flex Lock Strap Blocks over your existing strap buttons and you’re ready to go. Made of flexible, durable rubber to ensure a secure connection, Flex Lock Strap Blocks fit most manuf
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These definitely help make my guitar strap much more secure!
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Scott · July 20, 2026
They work well, a little tight to fit on, but seems like a great solution.
