How to Mix and Blend Colors with Tombow Dual Brush Pens - Tombow USA Blog
Stumbling Over Chaos on Tumblr: I really like Tombow's Dual Brush Pens. They're great for lettering and art in general. They come in a lot of colors and there...
Amazon.com: Tombow 56196 Dual Brush Pen Art Markers, Citrus, 10-Pack. Blendable, Brush and Fine Tip Markers : Everything Else