Manolo says, as you may have noticed, the latest in fashionable fashion is the cage shoe. When cage heels appeared on the runways in fall 2008, they took off, launching a now-ubiquitous style that doesn’t show any signs of going away soon. With strong, sexy lines, the cage does for the foot what a bandage dress does for the body, and the newest generation adds interest with more cutouts, pastel colors and peep toes. “Cage heels represent a return to modernist architectural lines, which, positioned in the right way, make a shoe incredibly sexy,” says Faryl Robin Morse, founder and…