I know right I need ideas too
shellac is commonly used in nail salons, it's a different kind of coating that lasts longer than than regularly used nail polish. but to answer your question, my guess would be printmaking because they do use shellac and i know for a fact that they use glue. hope i helped :)
Chiaroscuro is Italian for<em> light and shadow</em>
Painters use this technique when they need to <u>create the illusion of light</u> on objects and people
I've attached a pic for example :D
Jumanji
explanation: thought of it