Setup. Keeper in goal. Two servers 8 metres out with three balls each.
How it runs. Server one throws at head height: W catch. Server two passes along the ground: knee down behind it and gather. Next round the first serve comes at stomach height: cup it. Six serves, hand each ball back, then rotate. Any ball that is dropped is live: the other server shoots it straight away.
Make it harder. Servers strike off the ground. Then the server calls the type of serve late. Then wet the balls.
With 4 keepers. Keeper, two servers, one resting. Rotate after six serves.
We do this in session 1, The Basics.