Foolproof trick so that the suction cups never fall off

THE suction cups are very useful for hanging a whole lot of things without making holes. The recurring problem is that they take down too often. Suddenly, we waste a lot of time to pick them up and put them back.

But, don't worry, there is a simple tip so that all your suction cups never fall. You only needsalt water.

How does a suction cup work ?

A suction cup Use atmospheric pressure To cling to its support. The air under the suction cup is evacuated under the effect of the pressure. The suction cup clings as long as the ambient atmospheric pressure is different from that between it and its support.