Rocky Mountain Slides.

• Author: Peterson, Eric

In 2002, Todd "Doc" Sigmier teamed with his ceramicist father, Robert Sigmier, to make guitar slides and tone bars. Four years later, business is brisk, with the son--a longtime guitarist--providing musical insight to his artist dad. "I'm the idea guy," Doc said. "Pops is the fabricator." The offerings, four slides in multiple lengths and colors plus a number of tone bars, are handmade and dipped in a special high-fire glaze that Doc said makes for an...