So the supply is functioning itself. What annoys me endlessly: If the bar now does not want to fully extend and to the mobile phone is still rotating vertically (now and then one would like it out a edgewise photo shoot), the mobile phone turns because of its own weight down. It simply does not remain in the required position. The points at which the individual rods are each other, not adhere firmly enough and rotate by. It's annoying and thus the purpose is in my opinion not sufficiently satisfied.
