Assertion: porcupine's quill | /r/HasProperty | barbed
Facets:
Source sentences:
text: New World porcupines have barbed quills approximately 4 inches in length.
text: Compared with New World porcupines, whose quills are barbed and vary in size and shape across the body, the spines of the hedgehog are unbarbed and more or less uniform.
text: The quills of the porcupine are barbed and because they easily fall out when they are raised, it is very difficult for any animal to touch them without getting one embedded in its skin.
text: The quills of porcupines are sharp, barbed and painful.
text: Firstly, some porcupines have barbed quills that will continue to work their way into the flesh and can be difficult to remove.