One thing I'd like to see when Healy is in the side. Have him on at the same time as Clark.
If he comes off the bench, time it with Clark's second stint. Or if he starts and comes back to close out the game, have him come on when Clark is on.
Even late in the game when our go-forward is struggling, it is noticeable when Clark is back on. Direct hard running.
I've always been keen if you have a dummy half option that is a running threat. Going direct late in the game and trying to speed things up. If you have a forward who provides the hard runs for the dummy half. Time If possible time the interchanges to match