If not, you probably have never encountered bull nettle. Brushing up against the stinging nettle that grows up north is a fucking day at the spa compared to a run in with bull nettle. I had the misfortune of walking through some while dove hunting, and the common knowledge is to piss on the affected area for relief. You will not second guess, or hesitate. You will drop trough and hose down the fire without a single thought of embarrassment. Think I'm lying?