nostr:npub1hx0pqjr83uaw9wm90xhj3h4570vn2gtc9k3mwu35vvnr6wsa5ewqq90hpe 
Im my case, we had a regrettable tendency to weaponise plant matter. I remember folding sand inside catalpa leaves to make "hand grenades" that could be thrown against a tree trunk, where they'd explode in a cloud of dust.