Best way to teach kids to water start

[physiorol]

My kid has been sailing for 2 seasons and he is doing well. He is 9 and i want to take him to places that have more wind but the chop makes it frustrating to uphaul and thought learning to water start would be great.

I worked on it last weekend and there was some success with a fair bit of pushing from me.

I would appreciate any tips/strategies for the instruction and practice of water start.

I am planning on trying some drills like partially lowering back into the water like a reverse water start

but any help appreciated