It's a comission for 
On one hand, it's already difficult to be coordinated in your everyday life when you got two heads, but imagine when you have to fight this way... On the other hand, she/they might be the only one that can still fight after receiving a fatal head injury, hahahahaha
More seriously, Right now they're struggling about which way they should go. Aaaah, well, as long as they decide about before being hit.