The new shubb String Winder – ergonomic, Attractive, robust, Efficient. Ergonomic Shape non Screw Connection, non Wearing out extremely Smooth built-in Bridge Pin Puller this New shubb String Winder feels Good In Your Hand and operates smoothly. In contrast to other String Winders, Here the Movable Parts are not Connected by a Screw or Rivet. But the Shaft is Being LED completely through the Handle, so it cannot loosen itself.