At the end we can never know but the fact that she may have now delegated the handling of the production to someone else does not exactly mean she did not work

At the end we can never know but the fact that she may have now delegated the handling of the production to someone else does not exactly mean she did not work on the original idea/prototype. As a single data point someone linked one of her previous video (from 2years ago) on her bed and funnily enough in it you can see some coat hingers prototype : https://www.youtube.com/watch?v=inVvXS6gA8c&t=984s https://www.youtube.com/watch?v=inVvXS6gA8c&t=984s