Yonex Master Stringer Halim (Japanese style,start from 0%.Pre-stretch 20%.14Min 12 Sec)

Here,even though it's fast,speed isn't really the main issue..
Developed by himself,this technique only applied for some of the top players,where Quality n string preservation during process is the main key..
Machine:ES 8Pro.
Racket:Nanoray Z Speed
Tension: 29 LBS
String:with BG80
Mode:Pre Stretch 20%
(Sorry if it's kind of blur sometime,because i'm holding the camera all along)