Step 1
Mark in the buttonhole placement from your pattern piece. On the wrong side of jacket front, place a small square of fusing over the buttonhole placement. Fuse in place. Stitch buttonhole and slash open. Repeat for other front.
Step 3
Turn back to the right side, through the gap and either handstitch or edgestitch the gap closed.
Step 5
Attach a safety pin to one end of your drawstring and thread through one button hole, coming out the other. Cut to desired length. Thread the end through toggle and tie a knot at the end of drawstring. Repeat for other side.