|1. Remove (peel off) the cable cover along the line (about 3cm) marked on the holder handle and attach the plastic washer on the holes as shown in the picture above.
||2. Slightly rotate the handle and put on the holder, and push in the cable up to the end of the inside tightly.
||3. Turn the handle toward the lock position and lock at the state where the cable entered up to the inner-end of the gap