Throwing vessels and experiments

I have been throwing today, it feels like it has been a while! I have been thinking of the shapes I would like to use for the vessels to mark the locations of the clay. I have tried to throw larger pieces today but they all seem to want to slump down due to the sand. I can pull them up quite large but they still keep dropping in shape, or slumping. so frustrating.

I thought I'd like to make a shape for Happisburgh in the form of a lighthouse, using bands of clay slip similar to the bands found on the lighthouse. Its not really meant to be decorative, but just a method to include the slip which makes sense from a phenomenological perspective. The wheel turns and the bands are as instinctive as throwing the vessel itself .