Shop our River Winds Pleated Pant at FreePeople.com. Many shapes have metaphorical names, i.e., their names are metaphors: these shapes are named after a most common object that has it. Purl Increase - Cake Top Confection; Hourglass Optics & Rippling River. Strapless with diamanté waist detail is perfect for an hourglass. Lustrous raven hair flowed down her cloaked back like a midnight river.