Of the five options, the best is Choiix’s Wave, which thanks to the metal accessory development expertise of Choiix’s parent company Cooler Master is a wonderfully elegant, fancy-looking aluminum accessory for the same price as some rivals would sell plastic alternatives. Measuring 5.75” by 4.9” by 1.25” at its thickest points when folded down into a portable shape, Wave connects three curved pieces of black rubber-tipped…