Key Smart is a crowdfunding project from the evil empire of America. What it does is use a two-steel-plate module to conveniently organize your keyring. When I bought it, the official site still had a 30% OFF discount, but there are a few things I need to tell anyone who comes after me: This thing ships from the US by surface mail, which means it’ll probably take 20–30 days to reach China. You absolutely must write the address in pinyin, not Chinese characters. If you write it in Chinese, it won’t arrive — at least, there’s no precedent of anyone receiving one that way. If too many of your keys have plastic heads, this thing probably isn’t for you. For official accessories, I’d suggest buying just one of the hanging clips. The rest are a rip-off. That USB drive — Kingston on JD has cheaper ones. So what arrived was this envelope: