Just some tips for the kiwis who may have to deal with confrontation. In addition to these there are other areas which are good spots to strike.
The temples, possibly the jaw but it's a bit of a crapshoot on whether they can take the shot or will crumple hence 'a glass jaw', the solar plexus, if you can get behind them the kidneys definitely, liver shots, and in addition to below the belt upward and inside of the thighs because there's a surprising amount of nerve endings there and it can accumulate alot of pain quickly if you know what you're doing. And if you're wearing heels and they have a top-weak shoe or something, jam that shit down hard on their foot. It'll hobble them and can give you a valuable escape as well as a means of possible future id because they definitely won't be walking normal.