For pressing & molding darts, sleeve caps and curved seams. Darts - position over ham and press until point is smooth and flat. Sleeve Caps - press over end of ham to shrink out fullness. Curved Seams - facing, collars and cuffs- shape by pressing over and around ham. Press as you sew for a professional finish. Tailor's ham has two sides for different temperatures. Use wool side for woolens, synthetic blends & fabrics requiring low to medium temperatures. Use cotton side for cotton, linen and fabrics requiring medium to high temperatures.