Reciepient site incisions vary in size from 0.65 to 1.2 mm wide, with smaller incisions used for 1to 2 hair FUs and larger incisions are used for the 3-4 hairs FUs or curly hairs. While making slits the surgeon should create a pattern that imitate nature. he incisions also have to enter scalp at same direction and angle as the pre-existing hair follicles.