With so many new gadgets these days, wires can make your home office desk look cluttered. To keep them at bay, attach binder clips to the edge of your desk, and place the cords through the clips. This will also make it easy to plug in your electronics.
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.