In bushcraft lore there is a concept known as the 5 tool rule. The 5 tool rule refers to the tools you will need to survive in the wilderness.
Five Tool Rule
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Stainless Steel Welding Taper Gap Gauge Portable Depth Ruler Hole Inspection Tool Feeler Gauge Gap Gage Rules : Industrial & Scientific
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Survival Gear Archives - Skilled Survivor
Klein Tools S5118PRS Leather Tool Holder with 3 Pockets for Pliers, Folding Rule, Screwdriver and Knife Snap, Fits Belts up to 2-Inch Wide - Hand Tool Sets
Wilderness Survival Tactics
Everything You Need to Know About the 5 Tool Rule
Antique LUFKIN RULE Co. WOOD HANDLED SURVEYOR STEEL TAPE MEASURE HAND TOOL
Mel Robbins → The 5 Second Rule
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General Tools 822, 5 Digital Angle Finder with Rules (Pack of 10 pcs): : Tools & Home Improvement
5in x 5in Tool Rule Sticker