Ummmmm Missouri is NOT an open carry state! You can carry in the car...but it has to be concealed. You do not need a CCW to carry in the car but it MUST be concealed from outside view. You cannot legally carry on your person, outside the home or car, without a CCW license, and again, it must be concealed. Pulling it out just to intimidate will get you thrown in jail, quickly. It's brandishing and looked down on rather harshly. Don't do it Particleweave. As someone said above...if you pull it you'd beter be ready to use it, and you'd better be justified. You were outnumbered but apparently there wasn't any threat to you personally. (And as a side note..."using it" does not necessarily mean killing the bad guy, as was stated above. ie, putting three center mass vs the legs, etc. There's a big debate/discussion/argument about the pros and cons of both. If you decide to carry, you would be wise to read up on all the issues involved, and there are many. Sorry, this discussion would be better in another thread)
I'm very very sorry about your situation. Again, as someone said above, pepper spray might have been very effective. I carry pepper spray all the time, in addition to my legally concealed .40.
Where in Missouri do you live? Where did this happen? If you're in my area it would help to know where it happened. Maybe we can go out sometime and find those pi@@ants parked outside some bar

. hmmmm problem is they probably weren't old enough to get in a bar.
Again, I feel very sorry for this. I know how you feel. I've had idiots pawing all over my Harley and my Boxster, with equal results. None of which were very fun for the perpetrators. But I doubt they do it again. People have no respect at all for other people's property. None. Too bad for them if they try that with someone who has less restraint than you did. I commend you on that. But these little twerps need a serious talking to (he says euphemistically).
Pm me if you wish.
Damm...this got my blood boiling.
Bob