#450「精準嘅弦扭」“Machine heads with precise machinery”
The Graph Tech RATIO machine heads are a blessing for guitarists who frequently change their tuning.
#401「製琴師繩結」“Luthier’s Knot”
The “Luthier’s Knot” is a special method of stringing. Its principle involves tying the strings to the tuning pegs to prevent them from slipping out.