[slazaro]

I've always thought, wouldn't the light from your cellphone override this measure? Not even the flashlight, just turning the screen on would probably help...

[matwood]

> I've always thought, wouldn't the light from your cellphone override this measure?

Sure, but in a place like a strip club excessive cell phone is already watched out for since they can take pictures which are not allowed.

[lozenge]

Yes, but the idea is that if it isn't the most comfortable place to shoot up in the vicinity, then people will just go somewhere else.