and sew them around the top of the arm straps.
if you're using an oversized shirt, it will drop down way too much. i simply pulled up the bottom of the slit and sewed it a little higher.
cut the sleeves and neck right at the seam. on the front of the neck, i cut a small v neck.
flip the shirt on its back and cut a straight line right up the middle.
mark off the corners- from the edge of the collar to a point lower down. the finished cut should come down lower than the front of the shirt.
cut the sleeves on the seam and cross them over each other.
sew the 