Opener/handheld device for securing glasses

Opener / handheld device for glasses security, color: black - article security for glasses
Opener / handheld device for securing glassesColor: blackPatented mechanismQuick and easy securing and unlockingThe easiest way to use it is to watch a video or test. You can see the video on securing here: https://www.youtube.com/watch?v=VpvhF9Qqfl8Das You can see the video on how to unlock the lock here: https://www.youtube.com/watch?v=sLD8tnodr1s