If I was forced to choose a blunt instrument to thwart dog attacks, it would be about four feet of 1 1/4 inch schedule 40 galvanized pipe with a pipe cap on each end and five pounds of lead poured into it.
Used to be when I walked the dogs I would carry a 40lb bag of deer corn in a backpack and a six foot iron pipe with an end cap screwed on at each end, weighed about nine pounds. I was into reenacting and carried it to mimic the feel of a longrifle.
I kinda sucked for anything else, too heavy and clumsy to make a useful walking stick, and a bit slow and clumsy on account of its weight when swung or jabbed like potential weapon.
Skip the lead in that 4ft billy club and try it as-is first.
