Wooden iPhone cases are usually pretty expensive; Basecase's Woodworks for iPhone 5 ($40) caught our attention because of its price. The slider-style case, available in bamboo or mahogany, is all wood, with a soft inner lining to protect your phone. Unlike competitors such as Grove's Bamboo Case, it doesn't offer any button coverage. The openings along the bottom edge are quite tight, with one each for the speaker, Lightning port, microphone, and…