"Ideally, a lot of those things with rule changes, we've brought into 50-over cricket over the last couple of years. You'd like to have trialled them elsewhere,

in the last 12 months, the review system was used that was more a trial period. We know that it's going to be used in every Test series from now on. I still think there's some refinement that can be done with the actual technology that's used," he said.