Assertion: barnacle | /r/CapableOf | attach their heads
Facets:
value: permanently
type: MANNER
value: to a substrate by a cement
type: OTHER
Source sentences:
text: Barnacles permanently attach their heads to a substrate by a cement that they produce.
text: An interesting fact is that the Barnacle will only eat what it identifies as a humanoid-type creature--both humans and Vortigaunts--if it latches onto the head.