Those shoes are impressive! I get acceptable results by sculpting shoes in plasticine and slush casting with liquid latex, but those are a whole other level.
I saw this video. She really does a great job no doubt.
I saw some of her product is available at Ritecoupons. I bought shoes and handbag for my daughter doll from there. When she saw that I cant tell her happiness. It was a worth buying for me. Now my daughter wants me to buy a new clothes for her doll. No doubt Tatiana Bugai Work is awesome.