e/Hat block

Information
has gloss	eng: A hat block, also known as a hat form or bashing block, is a wooden block carved into the shape of a hat by a craftsman known as a block shaper. It is used by hat makers or milliners to produce a hat.
lexicalization	eng: Hat block
instance of	(noun) art consisting of a painting or carving (especially an altarpiece) on three panels (usually hinged together) triptych