Another greater than great invention that won't make me rich.

I bought an ethernet cable for the wi fi radio and today I ran it from the router upstairs through the sun porch window down through the floor then through the wall and around the room to the radio. I followed the directions and it worked. While listening to the radio it occurred to me that I could cut some foam into thin slices and use the slices to insulate the wing tip weights in my planes. I've been using pieces of foam up until now and they are quite bulky and get blown away at the field during changes.  The picture says it all.