Guitar Repair Technician Training 201 (GRT201) (in-person) GRT201 is the next step in our Guitar Repair Technician mentorship pathway, tailored for graduates of GRT101—or equivalent experience (please contact first)—who are ready to learn professional-grade fret levelling, recrowning, and polishing. Across two intensive days you’ll learn to interpret neck behavioral dynamics, level frets with full-length support […]