In the late 1960's, as a kid, I filmed a commercial for Elden Toy's Billy Blastoff. Of the money my mom let me keep, I bought Major Matt Mason toys. I had Jeff and Doug, which was mine and my brother's name. I eventually moved on to Hot Wheels and then Magnavox Odyssey came out . . . . then At...
Anyone try the Gates iPhone App that measures proper belt tension by sound frequency? I think you pluck the belt like a guitar string.