@rostiger ohh yea i should have taken a photo of that. I made two little wooden blocks, and carved a slot on one side and fixed them to the wall. So the top dowel (and curtain) slips into the slot and is held up that way. The bottom dowel is loose(no blocks) just to keep items from slipping out if weather ever gets too rough while underway.

To take spices out of the top shelf its easier to take the curtain off, for items in the bottom i can just lift it.