Just this.

[ She dips into her pocket for a moment – a holster would be better, but she hadn't been provided one – and fishes out a taser. She clicks the trigger and a nasty arc of white electricity jumps between the prongs. It's not deadly, but it'd certainly hurt if she was of a mind to use it. ]

I'd prefer it to be a last resort, if it comes to it – we're more or less already in a fight if I need to use this and that's the last thing I want.