I found this back among the posts of 2009 Got this email from my son in response to the query of what he plans to herd with the pair of 10-foot bullwhips he wants for Christmas. I guessed dinosaurs, and was on the money: It only works on certain dinosaurs of course. Maiosaurs, Edmontosaurs, Corythosauruses, and such. You would think Iguanadons, but they have these pretty nasty thumbspikes they are not afraid of using if they get pissed off or feel threatened. And you always have to watch out and... Sign in to see full entry.