How to use an axe and a buck saw.
To keep spare serpentine belts in the trunk and know how to install them with tools you keep in the vehicle.
Come on, we’re Americans!
A chainsaw, too. Nothing says American like raw carbon-belching power! Knowing how to use a chainsaw without dropping a tree on yourself or a house is always a good skill. Sharpening, tightening and resetting the chain is also part of this.