When I first met Edward Armah a few years ago at a small menswear trade show, his sole product was a pocket circle. Armah had figured out that if you take a pocket square and make it, well, round, all you have to do is pinch the center and stuff it in and you get a lovely shape. The novelty caught on and Armah picked up some large retail accounts. Business has grown steadily, and Armah continues to put a clever twist on menswear accessories. Here’s the dapper man himself: Last week I saw Armah at a much larger trade show, and he was happy to show off his latest wares, including the fabri..