CLIPSPER Hanger The system comprises: Hook prepared for different sizes of training wire. Braking/tightening wheel: The brake nut allows the plant to be lowered easily and safely. String spool: The string has been manufactured with UV treatment for greater strength and durability. Advantages: CLIPSPER signifies an important manpower saving. The system is comfortable and easy to use. Fabricated with material highly resistant to the working conditions. Totally secure from detachment. Hook with no-drop safety system.