Oh. Probably the explosive ones.... As I already said, reading comprehension is low on this site. I have never attempted large game with a slingshot. And it wouldn't be ethical to attempt it, since the chance of success would be extremely low. Post your results when you attempt it.
An unemployed Jester, is nobody's Fool.
the only real difference between a good tracker and a bad tracker, is observation. all the same data is present for both. The rest, is understanding what you're seeing.
