Yaw, more commonly known as sway in the RV industry, is a not so good word for trailer owners. Yaw or sway is defined as a side-to-side movement. Nothing will ruin the way you feel about camping faster than the first time you experience trailer sway. The people at ProPride Hitch are here to answer any questions about trailer sway and even provide quality hitch products. For more information about Pro Pride Hitch visit their new website at www.propridehitch.com.