Use-Assemble trimming comb According to the demand of haircut, you shall adjust the trimming comb to corresponding length. Push one end of the trimming comb toward the tool body, and it is ready to use. According to the demand of haircut, you can adjust the trimming comb to corresponding dimensions to cut If you finish using the trimming comb, you can press the button of the trimming comb, and then gently pull the trimming comb outwards with one hand to remove the trimming comb. Please keep hair clean and smooth before haircut. Do not force the trimming comb to shut down while cutting hair. Choose proper cutting position of trimming comb. There are 7 cutting positions for keeping hair length with the length from 3mm to 21mm. Trim the hair on the top of the head and sides Hold the trimming comb in hand, make the bottom of the comb always in contact with the scalp, and move it slowly forward in the opposite direction of hair growth, push and shave hair repeatedly from front to back. It is recommended that the hair around the fontanel shall be kept for 3-month-old baby.Trim the hair at the back of the heed and sideburns Push and shave the hair repeatedly from the bottom to the top until the hair at the back of the head and sideburns is cut to appropriate length.