OnePlus revealed another secret about the One smartphone on Wednesday, and that’s the StyleSwap Covers that will apparently allow users to customize the look and feel of their One handsets. But these aren’t your average battery covers — they will initially be available in five textures including Silk, Sandstone, Denim, Kevlar and a Moto X-esque bamboo. From the looks of it, OnePlus does not want its customers to hide the One behind a bulky protective case, but instead protect the device by selecting a custom back cover that will snap on over the existing back. “Engineers and designers spend a lot of time creating the specific look for a phone, but then people tend to cover it up with a