Holder dissolves, especially in summer

In itself, the board fulfills its purpose, so that the suction cup-holder no longer has to be attached to the windshield. Therefore, do not regret the purchase. However, located in the middle of a (presumably to production) "nipple". Whether this contributes to that the bracket is released on occasion, I do not know. Anyway, it comes in the summer more common. Then it is usually not even possible to attach the bracket longer - it always falls again. The natural vibration of the fixtures, or uneven road surfaces, wear possibly more help. In other climatic conditions but it is not a problem and very stable.
It is helpful to clean them regularly. Dirt helps that the holder dissolves ...