Dritz Threaders are the perfect tools for threading needles, elastic, drawstrings and more. Deluxe Needle Threader by Dritz. Threads needles with small or large eyes. Insert the thread in the groove, set the needle eye part down in the funnel and press the lever. A small loop will appear, pull loop until the end of the thread comes out. Designed to be used with hand needles. Cutter will not cut fingers.