Review on Vacuum Suction Cup Camera Mount With Hand Pump And Threaded Base - Ideal For Glass And Car Surfaces by Joe Calabro

Pros:- Good price-performance suction mount.- Good power suction with the built in pump.- Little/no leakageCons:- Hard rubber doesn't conform well to non-flat surfaces. Don't expect this to suction well to anything not perfectly flat and smooth.- Pump is right under the threaded hole making it easy to accidentally break the pump by overtightening- Pump is very fragile. The spring that provides the pumping force has enough power to break off the handle. My hand slipped while pumping and the force of the spring against the end stop shot the handle out of the pump.