Man Cave Rules 1. Acceptable man cave decor includes: (1) Sports memorabilia; (2) Pool and other game tables; and (3) Leather. 2. The man cave bar is a sacred space. Outfit it with proper home bar gifts and keep it well stocked. 3. The more man cave gadgets, the better. 4. When in doubt, head to Brookstone for the best man cave gifts you can find!