As almost everyone knows by now, if you hold the iPhone 4 wrong, you lose reception. While this is absolutely ridiculous, it makes a phone case an absolute necessity. When this was discovered, Apple probably should have included a case with every iPhone 4. This is not the case (pun intended) so one must be purchased separately. The first, but not the best, option you have is Apple’s own case, called the Bumper. Not so much a case as a plastic border that goes around the sides and front edge of the iPhone 4. The bumper is fairly sleek looking,…