The "Fun Dunker" boasts the smoothest target mechanism on the market. Just lift the seat to reset. The backstop locks in place so no moving backstop to worry about on uneven ground. Simply unhook from towing vehicle, pull one pin and rotate the tongue hitch 90 degrees and replace the pin. Stand unit up, open backstop till it locks in place and the Fun Dunker is ready to use. 13" highway tires make towing at highway speeds a breeze.