A. Pin the top rail. Good methods are to use either your teeth, chin, or knees.B. Pull down the bottom rail. Pull the rail taunt at the knee bend.C. Keeping tension, fold the bottom rail up on each side. You want both rails clear of your shoulders.D. Pin all four rails. Standing with only a slight bend forward, push up on babies legs via the feet or ankles.E. While pushing up, also push baby slightly out so the wrap can come up between your two bodies.F. Work out all the slack and continue on with the carry.