Color-block in small doses. Remove buttons. Cut precreased tape to fit both sides of placket and around collar. Stitch in place; bind placket first, covering buttonholes. Optional: Create a loop at 1 side of collar, and leave a tail at other side to thread through. Wool knit binder tape (#2004), 30 mm, in color #22, $5.25 per yd., from Shindo, 212-868-9311.