Ken Yokoyamaのシグネチュアモデル"助六"が、満を持してGrassRootsブランドから発売
BODY :(Top) Flame Maple Veneer, (Back) Mahogany
NECK :Mahogany
FINGERBOARD :Rosewood, 22frets
SCALE :628mm(Medium)
NUT :Bone
JOINT :Set-neck
BRIDGE :Tune-matic / Tailpiece
PICKUPS :(Neck) GH-1G
(Brisge) GH-1G
CONTROL :Neck Volume & Tone, Bridge Volume & Tone
Mini Switch PU Selector