I just spray a little mist of water on the glass plate and the sanding film or paper stays put.
I use 3M Super 77 on the glass only followed by a few passes with a 'J' roller.
Has anyone found an adhesive better than the 3M spray for sticking the strips of wet/dry sandpaper to the flat surface, in my case 1/2-in plate glass? Sometimes the 3M spray feels a little lumpy under the paper.
Thanks for any new ideas.