Flying ointment

Preparation for the Witches' Sabbath by David Teniers the Younger. Note on the left an older witch reading from a grimoire while anointing the buttocks of a young witch about to fly to the sabbath upon an inverted broom with a candle upon its twigs
A Witches' Sabbath by Frans Francken the Younger. Note on extreme right pots of magic ointment and older witch applying ointment to back of naked younger witch

Flying ointment is a substance described in European folklore and early modern witch trials as enabling witches to fly, often on broomsticks. These ointments were believed to contain hallucinogenic plants and were linked to the superstition of witches flying at night to Witches' Sabbaths.