Narrator: This is no ordinary hand. This is the hand of a hand model. You don't know it, but it's one you've seen before, holding cups in Starbucks ads and even acting as Jay-Z's hand in a Samsung ...

“There’s no exclusivity," she tells Vogue. Berrocal is not the only one making it big in the city. Ellen Sirot, another hand model is also known for working with top brands and says that she ...