A portafilter (or group handle) attaches to the group head of semi-automatic and piston-driven espresso machines, and carries a tamped puck of coffee grounds within its basket. It is usually made of brass for better heat retention, and is attached by a plastic or wooden handle. The portafilter forms a seal with the espresso machine`s gasket, and ....
Found on
http://en.wikipedia.org/wiki/Portafilter
The cupped handle on an espresso machine which holds the ground coffee during the brewing process.
Found on
http://www.realcoffee.co.uk/Article.html?Cat=Trivia&Page=4
No exact match found.
