I recently spent a lot of time in waiting rooms and found that when I got bored with my Kindle and wanted to swap it out for my MP3 player I had no easy place to put my reading glasses. (This was before I saw the review on the Periscope Lighted Folio. ) I was always putting my glasses into my backpack, grabbing my MP3 player, and futzed back and forth as my attention ping-ponged between reading and audio entertainment. (The MP3 player on the Kindle does not retain its last played file so I have a separate gadget for audio books.) My handy neighbor helped out by crocheting the Kindle Keeper, an expandable gripper for the Kindle with a built-in pocket for glasses, and, as shown below, an MP3 player.
I don’t know if she’ll mass produce these but they sure are handy. Nice for airplane travel, too.