I acquired a used self-catching headgate and am Looking for some help/ideas on mounting. There's four half inch holes on the back of the frame, as well as two holes on top, and bottom of the frame. I have it in my mind to mount it with the four holes on the back to a couple 6x6's or doubling up 4x6's with some threaded rod, but I don't know that I'm super confident in half inch. I've also kicked around the idea of welding some tabs onto the side of the frame for mounting. I've got a yearling bull and heifers I'll be running through it, but I'd like for it to be able to withstand abuse as they grow. Will half inch threaded rod be sufficient, or would any of yall more experienced folks suggest going another route?