Alter, Repair & Mend Fit and study garments on customers to determine required alterations. Sew garments, using needles and thread or sewing machines. Measure parts such as sleeves or pant legs, and mark or pin-fold alteration lines. Take up or let down hems to shorten or lengthen garment parts such as sleeves. Let out or take in seams in suits and other garments to improve fit. Custom made pilow casse to your own specifications. Fit, alter, repair, and make made-to-measure clothing, according to customers' and clothing manufacturers' specifications and fit, and applying principles of garment design, construction, and styling. Repair or replace defective garment parts such as pockets, zippers, snaps, buttons, and linings.