HHH Enterprises magnetic eyeglass holders is an effective way to hold your glasses right on your shirt / blazer. Designed to hold reading glasses, great for anyone to attach and never lose your glasses, also use for badges or other attachments like sun glasses. Its very light weighted thus easy to carry ans feel like wow. Made of stainless steel (some stainless steel is magnetic), this glass holder won't rust, chip, or tarnish. The special magnet is only .4" x .5" and about .1" thick. This magnet need to be placed inside your shirt or blazer, and the eyeglass holder outside - it will find the magnet and automatically center. Note that magnets can affect sensitive electronics so you should keep them a few inches a away. Your iPad has magnets too. Hang your glasses in the loop. You can knock them out of course, but leaning forward, they will swing. We make sure, you will be happy wearing them.