In '90's used water balloon and 1 1/2 inch shrink wrap. Put RX into water balloon, wires out of a hole, wrap the wire with tie wrap, fit shrink wrap make a package of it, and heat shrink wrap. easy to remove and reinstall everything looks like new.

ESC I tend to not running in the wet. Tried this stuff 2 season ago, it gets messy. Cleaning gum sound good cuz it comes off easily without residue and temporary. To make it easier I don't run, there always another week.