I thought "Baa" was Scots or Welsh....

My youngest brother dressed as someone settling Illinois back about 1810 would have dressed as a demonstration of one of his sons classes. His outfit included a flintlock rifle, a patch knife, and a belt knife -- and so the Principal met him at the door and stayed with him throughout the presentation.

Bro explained the various things -- flint and steel to make a fire, how you'd make tea from a brick of tea, how the rifle worked (without firing it!), and so on. The kids were entranced, save for one smart-aleck who said, "Well, yeah, but your knife (the belt knife he had on) ain't sharp and this is all toys, isn't it?"

Never, ever, criticize my brother's knife sharpening ability. He used to sharpen scalpels, and it so happened that he'd put an edge on this particular knife just the night before.

He simply looked at the kid, drew the knife, and holding the knife edge upwards dropped a piece of paper edge downwards onto the blade.

The paper was cleanly cut by its own weight into two parts. The kid's jaw hit the floor. The principal later thanked my bro for shutting up a mouthy punk.