Using the aforementioned E6b, although it’s been a few years.
Some others: Canning jam and vegetables, repairing electronics from tubes to SMTs by hand, building guitars, juggling, playing tin whistle and harmonica (badly), sewing by hand (basic repairs and tears), building a one match campfire, using a map and compass, archery, basic sword skills, knife sharpening with a wet stone, knots decorative and useful, wine making, silk screening by hand, and about a dozen other things I can’t think of at the moment.