I thought those pipes were knitted from wool at first.I'm not a pipe expert.
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Bloop Fri 16 Jul, 22:10,
Fri 15 May 2009, 23:52,
archived)
They are wool on the inside . . . I think . . .
Valin I changed glasses while I wasn't looking,
Fri 15 May 2009, 23:55,
archived)