I want to carry pepper spray.

[IkeTheGeneric]

just fart on them

they will be so disgusted they would have to stop arguing to beat you up

problem solved

[Ad Bot]

[Ector]

Replace pepperspray with battery acid and snake venom.

Replace pepperspray with pesticides and children's tears.

[Tom Gunn]

Or

Get yourself one of these bad boys

http://www.youtube.com/watch?v=toXMt1rzdrA

Or even the shooting type.

[Camera]

Replace pepperspray with pesticides and children's tears.

Replace pepperspray with Beryllium dust and sowing needles.

[Ector]

Replace pepperspray with Beryllium dust and sowing needles.

Replace pepperspray with blowfish poison and various cacti