DOUBLE ROLL.
4. No. 1 lies on back, legs raised to vertical, with knees slightly bent, and grasps No. 2’s ankles, who stands close to his head and also grasps No. 1’s ankles; No. 2 dives forward, held back slightly by No. 1 to break his fall; continue roll. Fig. [27].
5. Repeat No. 4 backward.