11. A rocking motion will usually calm a child while vigorous motions like spinning will stimulate them. 12. Individual locomotives were later equipped with special shock absorbers on their bogies to counter the rocking motion . 13. The key is the rocking motion to fit the prongs in just so, then the twisting-while-pulling removal. 14. When talk turns to him, even in the context of Microsoft, the rocking motions become more pronounced. 15. He lurches into a long, distinctive rocking motion when there are runners on base, a truly elegant thing to watch. 16. The back-and-forth rocking motion . 17. However, soil has built up around the base of the Thurgatstone over the years, which now prevents any rocking motion . 18. ;Bouncing on the Toes : This is a push upward from the toes with a small rocking motion on landing. 19. They also had a double-latching door, to prevent accidental discharge of hot coals caused by the rocking motion of the caboose. 20. The carriage interiors shot at Universal Studios Hollywood were built on tubes that inflated and deflated to create a rocking motion .