Has anyone ever dismantled this, and does it just pull apart into two/three sections? Mines stuck and can barely open more than a fraction. I tried it in a bath of Jenolite rust remover, followed by a bath of plus-gas but it still sticks so I reckon it's a physical problem rather than rust.
Just for clarity, I'm talking about this style:
https://www.ebay.co.uk/itm/174324659065
Thanks
