A friend gave me a bunch of little guys shirts that had the onesie closure on the bottom. My little man is 21 months now--and kind of growing out of the onesie look on his shirts--SO I decided to chop off the bottoms and make them into regular shirts.
I was planning on hemming them up all nice--but soon found that made for very short shirts. SO instead what I did was just serge the bottom edge with a nice edging (like what you see on napkins or table cloths--you know what I mean?). I think they turned out great! They made these shirts into usable play shirts for my little man! I didn't end up doing ALL of the shirts as I found a few stains on a couple of them. But here are few of the ones that worked great!