Alright, check this out, I am meaning no disrespect but do you
really know what your asking to do here? There's alot of things I will let slide in the arena-God knows there's some folks out there with some err "unique" ideals
and instead of dealing with them I usually circle around and head for the frybread stand. Anyhow, this one is one that ain't sliding. I'm not saying don't make one, but if your looking for attention-and not necessarily the good kind, go ahead and blow on that thing in front of the drum(s). Oh, bring your wallet too. There is alot of responsibility that comes with being a whistle carrier, so like I say if you still want to make one, I think the old Ben Hunt books might teach it but you'd probably be better served by leaving that at home after you make it. This is just my two bits, but again, if you carry one into the circle, you better have a DAMN GOOD reason and be ready to explain. (Combat Vet or comperable status) So be prepared