Answer: stovepipes

AnswerCrossword Clue
STOVEPIPESHats.
STOVEPIPESTall silk hats
STOVEPIPESHigh toppers
stovepipesThe pipe taking the smoke and gases from a stove up through a roof or to a chimney
stovepipesSTOVEPIPE, a man's tall cylindrical (usu. silk) hat
stovepipesAn information conduit that traverses vertical levels efficiently but does not disperse widely