You never know when a rope may come in handy. SurvivalStraps offer peace of mind with the Survival Bracelets ($20-$22) should an emergency situation arise. These guy-approved bracelet features a rugged design, constructed from tightly braided, 20-foot parachute cord. Each Survival Bracelet easily unravels and is tough enough to support 550 pounds. Just make sure to resist using it to tie something down from a trip to Home Depot.