Far better to get a small blindingly bright torch to dazzle them.
Even better if it’s got a blindingly bright strobe function as well – a few seconds of that, then peg it while the perp is still struggling to see anything other than big purple splotches in front of his eyes.
They probably did 30 years ago.
Yeah, that’s about right.
Difficult to justify spending twenty-thirty quid, and a small fortune on batteries for a torch that’s far too big to carry comfortably when one costing £7, that’ll run on AA or Li-ion 14500 3.7v rechargeable batteries, buts out around 230 lumens and can be pretty much carried on a keyring.