A flail was a medieval weapon consisting of one or more spiked balls attached to a chain, so it was in fact a noun. It was what most people now call a mace (which was basically a spiked club).
Numa sighed deeply. “Appear in a Tarzan comic”, they said. “It’ll be good for your career”, they said. “What could go wrong?”, they said. Yeah, and they don’t have to deal with The Magic Knife.
I always wondered that about the Saturday morning Roy Rogers show. Pat Brady drove a Jeep and they had electricity and telephones, but everybody but Pat rode horses and shot bullets at the bad guys. I never could figure out what era it was supposed to be.
I wondered about that, too.