The basics Replacing a garment's drawstring is no longer a problem with this Easy Threader Flexible Needle!  The benefits This ingenious invention consists of an eyelet at one end and a long, flexible acrylic needle.  The uses Perfect for replacing the drawstrings in sweatpants, loungewear, hoodies and more! The bottom line The Easy Threader is a Flexible Nylon Needle that makes drawstring replacement a snap.