I like the Flamethrower under each door idea
Personally?
Driving around a group blocking the road seems reasonable and no one gets hurt.
Driving away around people quickly seems reasonable if someone throws stuff at my vehicle that could damage my vehicle and/or hurt me.
If people want to throw themselves in front of a person driving away to try to keep that person from driving away, they will win Play Stupid Games, Win Stupid Prizes.
Watch its inventor demo it:
Legal in South Africa!!
South Africa Special.