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...
TOMBOW ABT Dual Brush Pen (96 Colors) LIST 2/11 – WRITER Stationery Store
How to Mix and Blend Colors with Tombow Dual Brush Pens - Tombow USA Blog
Coloring My TOMBOW Dual-Brush Pens TRI-TONE Workbook - YouTube