Supplies: 1/2 yard of fabric or scarf. buttons This is an easy DIY to turn a plain v-neck into an interesting cowl collar. You can use a scarf, fabric, anything that will fit around the neckline. Before: Mine was a crew neck so I made it a vneck by cutting a v... DIY: I made a tube by folding a rectangle of fabric that measured 36 by 30 inches. I folded it in half long ways and sewed right sides together, then flipped it out. That way it had a heavier texture and the edges didn't need to be finished. If your using a scarf, fabric, or making a deep v-neck you will need to measure it accordingly. Gather folds with one end of the neck panel starting at the point of the vneck. Leave about 3 inches from the shoulder for the panel to wrap around. Sew right sides together. Pin the rest of the neck piece along the vneck and back...Top stitch around or sew right sides together. Gather the rest on the collar overlapping with the front gathers. Sew right sides together...Trim any excess. Add buttons...or not.