WHAT IS IT FOR? Eyewear slipping is one of the most common complains for eyewear users. This problem can be corrected by simply having FOCUS ear hook on your eyewear temple. In sports and high impact activities where there is a chance that the eyewear may get knocked off, FOCUS ear hook provide additional anchorage to keep your eyewear on your face without hurting your ears allowing you to focus on your activity. Made of high quality silicone, FOCUS ear hook does not absorb perspiration and will not harden when exposed to sunlight. #eyewear #accessories