Anesthesiology resident Shelby Marquardt was not about to let her dedication to a serious profession dictate her wardrobe. Always a creative dresser and accomplished seamstress, she knew there had to be some way to individualize her look, corral her long hair during surgery, and do it in style. Spending 12-plus hours a day in drab, ill-fitting scrub hats prompted Marquardt to invent the perfect solution: a slim-fitting, colorful, scrub hat made from fine fabric, with a ribbon-tied pouch that neatly ties back a short or a long ponytail. The Pony (patent pending) allows medical workers with long hair to tuck it away without resorting to the dreaded shower-cap style....