This will make not make me friends but here goes:
Never seen one, never used one, never needed one.
I am amazed by the positive response to "can I take a hand gun to a public place?"
That’s all a bit glib from a European who doesn’t have your history or problems, Sorry. But there is an interesting point.
Read these statistics:
According Home Office figures, there were 58 firearms-related deaths in 2006-07. UK Population 56 million
1988 UK Criminal Justice Act Section 139
Possession in Public Place
It may be an offence under the Criminal Justice Act to carry a bladed or sharply pointed instrument in a public place
Exemption: Folding pocket knife with cutting edge less than 3 inches (non-locking).
It turns out it's safer this way! Clive