How to Make a Wig: Making the Foundation

Leanne Lashbrook from the National Theater's wigs, hair, and makeup department explains the process of preparing an actor's hair for wig application. The tutorial covers clearing the hairline, securing the hair, and measuring the head. It also details creating a head mold using cling film and sellotape, marking the hairline and eyebrows, and mounting the head wrap onto a block for wig creation.

Why is marking in the hairline important when creating a wig?

What is the purpose of the white tape mentioned in the text?