I use strap locks for only a few hours because in trying to reassemble, I quickly learned that the holes made after the previous screws were too big so I had to plug the hole with wood glue to screw new screws, hand strap, everything was done quickly, easily and instinctively. The fact that Strap Locks are available in all colors of hardware is a Verygood good point, however, this problem of hole and screws and very ambarrassant. € 15 is more than reasonable, it's cheaper than repairing the guitar after you've done with the fallen standard belt clips ... With experience, I do it again because this choice straplocks Schaller straplocks are the most reliable system with the strap / Straplock DiMarzio guarantee of quality!