 When the Duncan's brand name was dispensed with by Rowntree's and manufacturing moved from Beaverhall Road in the late 1970s, the manufacturing process changed from being hand made to being hollow moulded by machine.An attempt was made to recreate the original surface appearance but with limited success, and it now has no function other than decoration.In 2017, Nestlé announced a new version with no walnuts, and a change of name to the Whip.