DIY Bleach Doodles T-Shirt Using the Clorox Bleach Pen. There have been other tutorials using the Clorox Bleach Pen, but none that offered such good advice, or did such a great job of drawing on a T-Shirt.
DIY Bleach Pen. All you need are three ingredients and it's a fraction of the cost of purchasing bleach pens! Plus, you can use them for cool crafts like making your own designed t-shirts (tutorial within the link)