What do you do when everybody's shopping money is either disappearing or being stored away, but you really need to sell the one thing your company's known for? Collaborate with a big name of course. That's exactly what J Brand is doing for Fall, since they just signed Hussein Chalayan for a capsule collection to hit stores at summer's end. J Brand, whose jeans hover in the almost-$200 category and are sold at department stores like Neiman Marcus, is probably hoping a London-based, avant-garde designer can give them the touch of mystique one probably needs to push overpriced denim these days. But we're just wondering which way this one'll go: The normal J Brand jeans but with a few extra flourishes for an extra $80 per pair? Or "out there" denim that's cheaper than Margiela's?