A clamp that fits around a bent up thick coat hanger - to hold your reel of plastic.This prevents the reel from slipping off the sides. Just add an M8 bolt and a bent up coat hanger.Get the coat hanger and unclip it - make one half into the profile below, put a straight bit 'straight up out of the monitor' and then repeat for the other side.X / /Add the printed clamps to stop the reel moving about on the hanger. You will need 2 M8 bolts.