It's called the "Pile Driver", which is a fitting name in this case because a Pile Driver is actually a piece of machinery used to "drive" what are called "pilings" into the ocean floor to be used as structural support when building docks or piers.
rofl... but no... tea Bags is "Teebeutel". "teebeuteln" is a verb. like... when you drop your tea bags into the cup of tea... my english is too bad to make it intelligible.