Hi, There are quite a few videos on youtube and I think this is the simplest idea yet:
https://www.youtube.com/watch?v=E7KkZtgTujI Here's another good tutorial:
http://so-sew-easy.com/non-slip-sewi...oot-pedal-pad/ Now that I've seen the first idea though, that's the one I'm going to try...... Sorry, I just read further and I hope I'm not duplicating another post.