"I really like my drywall hammer.
It's got the blunt side on one end, and what looks like an axe-head on the other.
I have mine really sharp.
If you have never seen one, you should go down to Lowe's or Home Depot and swing one around to…"
"Would something like a good dive suit fit the bill?
Form-fitting and made for abrasion resistance. Slippery enough to keep you from being grabbed. Some are even anti-microbial. It would keep out water at the neck and wrist; or infected…"