The problem with this is I had a bunch of foam pads floating around my work table. There's really not a good way to label them. I tried writing in Sharpie on the back, but it was barely legible. And I was constantly sorting through them looking for the right color (geez, multiple tools and that fancy spinner rack that Tim has is starting to sound pretty good...wait, no!). Well, I came up with the simplest solution. The pads are attached to the tool with Velcro, right? So I just put a Velcro dot on the bottom of the ink pads and problem solved! Now, I pick an ink, rip the foamie off the bottom, attach it to my tool, and go!
I positioned the Velcro so that I would still be able to read the color label.