The term Growler is in use over here but not extensively. There is a Tap and Growler micropub in the Eastwood area of Nottingham.
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There was an extraordinary beer-canning machine here Cardigan Arms where you can buy a 2-pint carry out which they pull into a lidless can then seal a ring-pull lid onto it on a large machine on one corner of the bar. We had to buy two to get the second on video! (I don't have it, sorry). We opened one can on the train home and, tbh, it didn't seem anything like 2 pints to me.