How to Edit Fat Arm Photoshop is a popular image editing technique used to reduce the appearance of fat on a person’s arm. It is a relatively simple technique that can be mastered with a little practice.
To edit a fat arm in Photoshop, first open the image in Photoshop. Then, select the Lasso Tool (L) and draw a selection around the arm. Once the arm is selected, go to the Image menu and select Adjustments > Liquify.