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Robert O'Brien of O'Brien Guitars demonstrates how to fix a buzzing nut slot with Hot Stuff Original CA glue and baking soda. Baking soda is a tool that has been used in conjunction with CA glue for decades in many different fields. When you fill a gap with baking soda and drip Hot Stuff over it, the glue will react with the baking soda and cure very quickly. You then end up with a very strong and hard filling which can be sanded as needed.

Who is Robert O'Brien?

Robert O'Brien of O'Brien Guitars is a master luthier who not only builds custom guitars but also teaches lutherie classes in his shop and at the Colorado School of Lutherie in Denver as well as online classes. In addition, he created several instructional DVDs and regularly releases new videos on the O'Brien Guitars Youtube Channel.

Read more about Robert "Robbie" O'Brien in the Bio section of the O'Brien guitars website.