49 Brilliant Garage Organization Tips, Ideas and DIY Projects - Page 31 of 49 - DIY Crafts. This looks like Bouillon Cube jar lids screwed to the board, so jar part can screw onto the lid. I've also seen done with baby food jars.
Brian Conti, also responsible for Strong Like Bull Magnets, heads toward Magnet Magnate status with his bottleLoft. botteLoft strips are magnetic bottle holders that install on the ceiling of your refrigerator to keep anything from of beer to jar