Dulphee Strap Button 6Pack This is a must-have guitar accessory to connect your guitar strap safely and securely to your guitar, you might prefer not to modify your cherished acoustic or irreplaceable vintage guitar by screwing a strap button into the neck heel. For this, we offer you this Strap Button. This wonderful device allows you to fasten your strap to the guitar up at the nut. Take the guitar strap adapter end and wrap it around the headstock, beneath the strings, and then over the guitar strap adapter button to secure the guitar strap. See the images for proper placement. Simple!