If the handling is not so fiddly but more accurately described or better or by touch, the holder would be really good. But if there is a considerable risk that well-meaning family members, friends and colleagues to watch a winter fallen from the disc holders more accurate. How the so makes, not with the eyes, but with their paws. Then you can re-order because of the two screws is a destroyed.
Update: Apparently, you have at mumbi bez the seller noticed that the thing like to respond so. It was sent to a new zuriedenheit equal. Without prompting. For suppliers are extra points.