I would have used bear spray as well and I am surprised it didnt work. But I sure as hell would have had the lead locked and loaded after surviving the first. Easy to say what a guy WOULD have done but I am sure one isnt thinking quite logically at that moment in time.
Prob why he got attacked in the first place! He wasn't too light on his toes with those gigantic balls swinging around. On a side note, wonder how he felt after the adrenaline wore off?