Parachute for providing an impedance to a or other rapidly moving person, animal or vehicle comprising a sheet having an edge or edges, peripheral cords tied to the edge or edges and distributed uniformly about the center of the sheet, such sheet being formed with a hole at its center, and a disk near the proximal ends of the cords, the peripheral cords being attached to and passing beyond the disk, the proximal ends of the cords being gathered together and fastened to the torso of a person.