► A five metre offside line at ruck and maul.
► a gain in ground for a Free Kick direct into touch, but still have the opposition throw to the line-out.
► A more strict interpretation of "squeezeball".
► extend the powers of the TMO both to identify the perpetrator of foul play when called upon by the referee, and to bring foul play to the attention of the referee if he has missed it.
► Finally, one I would like to see experimented with....in General Play, a team that kicks the ball from inside their own 10m line and is able to bounce it into touch inside their opponent's 22 gets the throw-in to the lineout (stolen straight from Rugby League's 40/20 kick)