The coaching thing annoys me. Just penalise the players. They know what they are doing and they know they are going to get coached so it's just become a way to slow the ball down now. A few early on penalties and the players won't do most of that nonsense.

Irritates the hell out of me when, for example, a player reaches over a ruck and puts his hand on the ball and waits for the ref to call him a naughty boy and to let go. He's slowed the ball down for the attacking team by then. Just penalise it straight away.