Being as used to Klingons as she is, Jadzia's only response to the obvious threat is to bring her hands up in what is obviously a defensive movement. If the girl keeps going with that pipe, Jadzia is in the perfect position to parry and redirect the blow. Luckily, that blow never comes.

"Is that what you're doing?" she asks curiously. "I've never seen anything like that before." And for Dax to be unfamiliar with something is always interesting.