The shoelace is the secret tool we old guitar techs have used for 50+ years.
Sometimes the knob will go flying across the room if it is on really tight, so watch for that.
I put reflector knobs on my 535. Looks really great.
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Every Heritage that comes into my aresnal gets the full Faber treatment: Bridge and studs, tailpiece and studs. I do not use the locking parts. The non-locking parts sounds better to ME.
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