try this trick to easily use this great floss [SEP] have trouble holding this great floss try this cut a piece about inches long double it over then tie a simple overhand knot four to five inches down to form a loop slightly wider than your hand gently try to floss a tooth adjust the knot to an ideal size for you the magic is that the knot is easily moved by separately pulling the ends once it is optimal tie a second knot and tease it until it sits on the first knot they will now be locked into position you can apply loads of force without deforming your loop