Written for McTabby's Cat's Birthday HP Drabblethon IV.
Notes from the Spring Catalogue..."
by Beth H.
The idea started germinating when Professor McGonagall cautioned everyone against emulating Circe's particular brand of human-to-animal transfiguration.
To the twins, warnings were as good as invitations.
Fred adapted Animagus techniques to allow the transfigurationally inept to lengthen their penises to the eighteen inches common to wild boars. George invented a spell that transformed the shape of the end of the penis into a spiral. Together, they developed couldn't-fail marketing strategies ("...your Secret Weapon in the War of the Sexes!")
Neither took credit for the transfigured penis' propensity to twirl around during copulation.
Sometimes male genitalia have minds of their own.