Complex sentence: Skeleton sleds are steered using torque provided by the head and shoulders the Cresta toboggan does not have a steering or braking mechanism although the Cresta riders use rakes on their boots in addition to shifting body weight to help steer and brake.
Split into simpler sentences: Skeleton sleds are steered using torque provided by the head and shoulders. The Cresta toboggan does not have a steering or braking mechanism although the Cresta riders use rakes on their boots in addition to shifting body weight to help steer and brake.