The user places the brush between her thumb and index finger and between the tips of her index and long fingers. She uses long brushes which are available in stores. The eye shadow container is on her lap. She leans her hand against her cheek to avoid shaking. She uses her other hand to hold on to the backrest to keep her balance. She does the left side with her left hand and switches hands for the right side.
It was very important for the user to be able to apply make-up independently. She thought about it for a long time until she came up with the solution.