RETRAX Retractable Eyewear Retainer (Locking)
RETRAX- The First, Only and Patented RETRACTABLE eyeglasses retainer. There are two models available; Locking has constant AutoFit plus 4 different length options you can choose as you pull out the lanyard from the patented auto-reel. Non-Locking RETRAX offers the convenience of constant AutoFit. Either way, RETRAX is still the best of all retainers because your glasses will be gently and safely kept in place while any extra lanyard is conveniently reeled into the auto retractor.