"I always mix the male and the female form together--the yin and the yang," David Herchik says. The living room's ivory-lacquered armchairs, whose arms sweep out in graceful curves from their rectangular backs. And there's good news for admirers: The chair is available through the first of Edward Ferrell+Lewis Mittman's Capsule Collections, a new launch, with David as the debut collection's designer. The armchairs are only one example of his affinity for a yin-yang combo. "Even the living room coffee tables combine male and female shapes," says David, noting that their rectangular bleached-oak tops feature a counterpoint of inlaid circles.