Buttload is 477 litres - who knew : r/interestingasfuck
Cask Ale - Brew Your Own
Cask Stillage for Firkins and Pins. - Etsy
Cask Equipment Kit - Standard Pin (5.4 US gallons)
Yours for Good Fermentables ™: Butt size, and other cask maths: the volumes and dimensions of beer casks.
How many people will an 8 gallon keg of beer serve? - Quora
Party Pins & Firkins – Stubborn Mule Brewery®
How to make a cask | Work & careers | The Guardian
Pins make cask ale more accessible than ever - Value for Venues
Why We Added Cask Beer to our Lineup — Lost Worlds Brewing
Laxton Hollow Brewing Works - So what exactly are firkins, pins, kilderkins and hogsheads? They are all ale casks, they just differ in size. The pin is probably the most common cask
Different cask sizes. I like the one on the right and I can not lie. : r/mildlyinteresting