They breed ’em tough in the bush.
After the snake bit Harold Lewis on the finger, he pulled out a slasher, cut off the offending digit, then saddled up and rode for help.
I am not sure I would have the courage to lop off a finger once a snake had already bitten it, I think it would take all my self-control just to not run around screaming and waving my arms around. This of course is not the recommended treatment for a snakebite, but neither is chopping bits off the victim.
I wonder if he fell off the horse due to the effects of the venom, or if it was a delayed reaction to the voice in his head shouting ‘oh my god, you just chopped your finger off!!!!’