D'Addario Flex Lock Strap Blocks offer a non-invasive solution for securing your guitar strap without modifying your instrument. This four-pack of flexible rubber blocks simply slides over existing strap buttons, providing a reliable grip inspired by the proven Grolsch bottle cap design.
Compatible with most standard end pins across major manufacturers, they deliver peace of mind during performances and practice sessions.
Available in black, these durable blocks ensure your strap stays firmly in place without any permanent alterations to your guitar.