At Myles' suggestion, Roberts named the shop after the 1969 William Klein film Mr. Freedom, which was a spoof of the anti-war movement.
Roberts' designs featured styles now considered typical of the era: broad-brimmed hats, close-fitting maxi dresses, silk-screened cartoon character images on jersey tops, and winged shoes.
[2] Roberts produced clothes for the boutique in collaboration with a number of other young avant-garde designers, "many of them gathered in from outside the pale of the fashion trade".
[3] In 1970, Elton John hired Roberts to design several concert outfits before he set out on an American tour.
Roberts designed a "yellow boiler suit" with a piano appliqué on the back, and "white boots with green wings".