Motivation.

The witch Solokha and the Devil on the roof of her hut, from Władysław Starewicz's The Night Before Christmas, 1913

watch here with English subtitles 37m12s

Promotional still of the "skunks" from the 1982 movie Ladies and Gentlemen, the Fabulous Stains. Featuring the (then) very young Diane Lane, Laura Dern and Ray Winstone as punk rockers.