Beard Trimmer Station Holder for shelf

Between my electric toothbrush, my beard trimmer, and my electric razor, the bathroom sink countertop is a bit crowded. I'd like to move them up to a shelf, but I don't want to have trouble with the chargers shifting as I try to put the items into them, or take them out. Hence, this design. It fits the station for my beard trimmer snugly enough that I can screw the holder to a shelf, then snap the station into it, and it won't move. There's a gap in the back for the power cable. Once I do design