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If the upper link on a three-link rear suspension is angled with the front end lower than the rear end, the force that tries to rotate the rear end will try to make the third link more horizontal. This applies an upward vertical force to the front of the link when accelerating that tries to lift the rear of the car. When decelerating, the opposite occurs and the braking forces try to lift the rear end, causing the car to be loose. Anti-squat should be used in limited amounts.