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Ohh yeah! The 1 gallon tin filled with water, enough stiff brown paper towels to cover the end and flipped upside down on the counter. Drove old Miss Hamilton over the edge as she went to the back...

It's great for port-matching cylinder heads without removing them.
Fill the port with Barbasol and do your work.
As-done, vacuum out all the shaving-loaded Barbasol from the port. Viola!