She specializes in custom mouth jewellery and has created grill designs for Madonna, Rihanna, Rita Ora, Drake, and Cara Delevingne.
[1] She takes one day to make one gold tooth and refuses to recreate oral jewellery she has made in the past.
[1] American rapper A$AP Rocky sought Cohen out after seeing one of her creations.
One of the grills she created for Rihanna featured a delicate lip ring.
[2] During Givenchy's Fall/Winter 2015 show Cohen collaborated with Riccardo Tisci to create mouthpieces with vertical metal bars reminiscent of the mask worn by Hannibal Lecter in Silence of the Lambs.