Guitar Strap Lock Round Head Black / Guitar Bass Security Straplocks Strap Retainer ， Schaller-style， Guitar Replacements ( Pack of 5 )<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> An inadvertent loosening of the strap is impossible. So your instrument is always in the best of hands </span></li><li><span class="a-list-item"> High quality， safe， skidproof， round head straplock </span></li><li><span class="a-list-item"> Elaborately designed for all kinds of guitars </span></li><li><span class="a-list-item"> Insert the straplock into the fastening nut </span></li><li><span class="a-list-item"> Make sure the pin is tightened， then lock the strap to the straplock button </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51WDPEEcnvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41V8oRXANQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41KAuewTbDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DuD83JBRL.jpg" noproxy>