I find that male wig heads have the most realistic features, which helps me when I try to envision the wig on the wearer’s head.
Foam heads are cheap, but make sure to buy one that has realistic proportions and is roughly your own head size. The head circumference is usually mentioned in the item description. I find that male wig heads have the most realistic features, which helps me when I try to envision the wig on the wearer’s head.