Choose the scalp area where you want your hard part to be and its thickness.
Wet the hair where you are going to shave in the hard part.
Indent a couple of inches from the center of your head and demarcate the line of the parting using a straight edge razor.
Mark the start and finish points of the parting.
Apply a hair gel to the area of the future hard part and work it into the hair.
Trim and shave your locks using a trimmer.
To achieve a defined look, smoothen and line up the hard part.
Choose a hairstyle that you will complement your hard part with.