Zoot [ performing on Hit Scene ] their fifth single ‘Hey Pinky’ (April, 1970), which later appeared on the 1971 album ‘Zoot Out’.
By early 1970, band members had tired of the garish pink outfits and associated harassment and physical abuse, hence, to rid themselves of the bubblegum/teen idol image, they burnt their outfits on TV music show, Happening ’70. Zoot then promoted their single “Hey Pinky”, with an advertisement in Go-Set which featured a nude picture of their bums. “Hey Pinky” was a hard charging guitar oriented song but it failed to chart. The song, written by Springfield, was rebellious in nature and openly mocked the pink outfits as well as their previous management and their detractors.
Edited Extracts from Wikipedia®