The center serving is where the arrow nock meets the string. This area endures the most friction. Expert tuners use a "double-wrap" bondage technique to ensure the serving doesn't separate, which would otherwise cause erratic arrow flight and "nock travel" issues. 3. Vibration Dampening
To lubricate the fibers before the "bondage" is applied, preventing internal friction. The Professional Edge bondage archw
Materials like Spectra or Dyneema are preferred for their zero-stretch properties. The center serving is where the arrow nock meets the string