This is the way you practice a capsizing drill.
Firstly you get a little away from shore then you all lean to one side and over the boat goes .
We always have to be clear from the sails and ropes and swim around to where the centreboard sticks out from the bottom of the boat.
Someone climbs on the centre-board and,hold the side of the boat and lean back . The boat comes up slowly. We have to keep it facing towards the wind, or it might sail off without us , last we lean over the side and start to bail.