Okay Pgp, thanks for your bright idea for the use of the knee.

But let me play a little devils advocate:

First I'm afraid to leave my comfortable place inside the space of the front of the hulls after uprighting. I'm protected there for incoming waves and at least I don't see them anymore!
I should have to dive under the windward hull to get to the outside for grabbing the dockline. There is this fear that, when I come on the surface, the cat is just pushed away by
an incoming wave (I didn't tell you, but I cannot swim anymore caused by shoulderproblems)

But I can ofcourse move the whole trick to the frontal inside of the windward hull. Problem is that with my asymmetric hull shape, this inside is very rounded while the outside is flat. So my knee threatens to disappear to much under the hull.

But now I have to think again everything ten times over. I'm sure you have given me the important brainwave.