The luthier knot is a method used by guitar builders and players to secure strings at the tuning pegs with precision and stability. Instead of simply wrapping the string around the post, the knot creates a self-tightening loop that grips as tension increases. This helps prevent slipping and maintains a more consistent tuning, especially on nylon-strung or classical guitars where slippage can be a common issue. When the string is pulled to pitch, the luthier knot naturally tightens itself, lockin