Tiger Tail Tiger Ball Massage On Rope 1.7. Lean up against a wall or lie down on the ground and simply press away. Also perfect for massaging and busting out muscle knots in the piriformis hamstrings hips glutes and other spots wanting deep pressure. To bust out shoulder knots stand near a wall place the Tiger Ball against the wall and press into the ball. Suffer from headaches? Many headaches are caused by muscle tension and muscle knots in the upper back and shoulders. Features of Tiger Tail Tiger Ball Massage-on-a-rope: Ball- 2.6" or 1.7" diameter. Rope- 55" long. Package Contents: Tiger Tail Tiger Ball Massage-on-a-rope