Throw @MrDude1 at them. He will wear gloves, jacket and mask for protectionLOL that might only works for dogs.
Laser pointer.What if the dog fight next to them you point it at is two pitbulls mauling a child?
Aim it at the dog fight next to them, and watch them destroy them.
https://gamefaqs.gamespot.com/a/forum/b/b23c4005.jpg*audience laughter*