I really can't take credit for the video..I discovered it in the "main" part of the forum here on the board..Just passing it on...Tensions on most machines average between 4 & 6 and only adjusting for different stitches & fabric thicknesses..every machine has it's own "comfort" zone...I'm having a problem with Tensions on a couple of way old machines and now I know where to go to help fix them...