CandyShell Card: This hard case features a credit card-sized slot that holds up to three cards (credit cards, debit cards, or ID) or folded cash. Speck, $40. TidyTilt: With an earbud cord wrap, kickstand (to prop up your phone) and a magnetic mount, this is one renaissance case. TT Design Labs, $30. Hybrid: This handy case doubles your battery life (seriously!). BoostCase, $80. Podera Kickstand: This case props up your phone, either horizontally or vertically. Ironge, $20. Bottle Opener: You’ll be the savior of any get-together with this handy bottle opener and can opener case. Head Case, $20.