Apron

Start with a man's shirt. Cut off the sleeves and the back.

Cut around the collar but leave it intact. I cut very close to the seam so that I wouldn't have to hem anything or have any raw edges.

Use your rotary cutter and ruler to make a diagonal cut from the armpit to the top of the shoulder.

Make sure both sides are even. 

On the raw edge that you just cut, turn a hem under, concealing all raw edges, and sew it down. Do this on both sides.

The final step is to make the apron ties. You could use ribbon if you wanted, but I chose to cut strips of fabric on the bias to make the apron interesting.