Easy hook up and disconnect Built-in sway control Snap in spring bar design. Can not fall out. Four seperate points of adjustable contact to control trailer sway. Easy to operate bracket lock that automatically secures the tongue bracket into place and just as easily releases it with the simple push of a lock pin. Simple precise weight distribution adjustment. Tongue brackets utilize sway control loops which limit side-to-side trailer sway, but still provide for free movement during turns.