[He'll match that busy handwork with a hands miming bull-like horns.]

Not quite!! Not so out of hand -- but there are some with quite the aggression.

[He also mimes long canines, too. For full coverage.]

Four-legged ones, snake-like ones, some that are from other people's worlds...! It's important to keep them from bursting into the city itself. Imagine the devastation if they did...!