TM 10-8415-209-10 TM 8415-10/2 (6) Fasten three snaps in rear of jacket (1) to three snaps on overgarment trousers (2). (7) Adjust  and  tie  jacket  waist  drawcord  (3)  for  snug  fit  to  minimize  bellowing  action  that  may  draw contaminants into suit. 2-20