One thrifted turtleneck knit sweater = arm warmers, headband, leg warmers and a circle scarf!  Supplies: – Turtleneck knit sweater. I purchased mine at Goodwill for just $2.99. – Scissors – Matching thread – Needle or sewing machine – Sewing pins  Arm Warmers:     For the arm warmers, I cut off the ribbed …