Art Supply of the Month: misteaks. Hi Reader: The things I make the most: mistakes. TYpos. Inaccurate lines. Ink splatters. They’re just an inevitable part of my creative process. On my laptop, it’s easy to backspace and delete. But on the pages of my sketchbook, not so much. If I made preparatory pencil sketches, I could erase them. But I work in ink most of the time, so I need strategies and tools to handle my blunders. The easiest thing to do is just scratch out the offending error. I...