Clip-on sunglasses or sunglass clips can be attached to another pair of glasses. Sunglass lenses are made of either glass, plastic, or SR-91. Light polarization is an added feature that can be applied to sunglass lenses. It was the originator of the polarized sunglass as it is known today. In fact, many of the experiments can be performed with polaroid sunglass lenses. Crookes also invented a 100% ultraviolet blocking sunglass lens. It also used the brand Sunglass Hut. Examples include Pizza Hut and Sunglass Hut. For 2012, Iman was Sunglass Hut's summer ambassador along with Jourdan Dunn and Joan Smalls. The Watch Station International chain was purchased from Luxottica/Sunglass Hut in December 2007. This model deleted the GSR's headliner-mounted sunglass holder to make room for the sunroof. In 2000, he was given a Special Radio Awards Commendation for "The Sunglass Store". In 2015, she started a collaboration with Quay Australia for an exclusive sunglass line. She is currently the campaign model for Avant-garde sunglass makers GreyAnt. In 2019, Foster Grant began selling on Sunglass Warehouse's website.