At least I will be able to visit the exhibition and count them myself: https://allthatsinteresting.com/bayeux-tapestry-penises

My mind wandered to these more interesting "undercuts" https://uk.pinterest.com/ideas/lesbian-undercut-designs/9549...

I always preferred the thinking behind the 'Conundrum' used in Operation Pluto. No big bangs but excellent logistics - see https://en.wikipedia.org/wiki/Operation_Pluto