It was after hours at Walker and Daughter: Knitters, and Dakota stood in the center of the Manhattan yarn shop and wrestled with the cellophane tape. She had spent more than twenty minutes trying to surround a canvas Peg Perego double stroller in shimmery yellow wrapping paper, the cardboard roll repeatedly flopping out of the paper onto the floor of the shop and the seeming miles of gift wrap crinkling and tearing with each move.