Phil's technique relies almost entirely on confusing the potential attacker with your unexplained use of a flashlight in broad daylight. Though somewhat effective Phil found there were some situations where normally non-violent people punched him simply because he was shining a flashlight at them in the middle of the day.
"Light Him Up!" had more parenting advice then I was looking for. Steve uses the flashlight as a tool to squelch Steve Jr's rebellions. Since Steve started disciplining with the flashlight Steve Jr. is back wearing the family t-shirt and haircut, but he's still not happy about it.
I think I'll buy her some pepper spray.