Full Shit

1. On delivery of the sealing ring produces as much friction on the inner wall that he is with every movement of his "mount" rolls and must be properly installed again by disassembling the pump. This problem can be lubricated by, for example solve with bicycle oil.

2. The pump is leaking, it was for example not possible for me, a stability ball (also from TOGU, who incidentally is really OK) inflated sense. Since my "hack" works with a funnel as adapter between the mouth and ball better - in other words, I can hit the ball better with his mouth than inflate with this pump.

Have the pump returned directly and recommend everyone to invest some extra money in a decent pump.