I have a plain one too. I like them for bitters, old ales and things like that.
Never thought of them being regional, but now you mention it they probably wouldn't work with a sparkled bi(even though I prefer a sparkled cask beer - my formative drinking years were spent in Yorkshire).
Never thought of them being regional, but now you mention it they probably wouldn't work with a sparkled bi(even though I prefer a sparkled cask beer - my formative drinking years were spent in Yorkshire).