Assertion: wolverine's claw | /r/HasProperty | anchored to the nodule
Facets:
value: with tough strands of collagen
type: OTHER
Source sentences:
text: When sheathed, each claw is anchored to the nodule with tough strands of collagen, but, as Gerald Durrell discovered firsthand, when the frog is grabbed or attacked, the frog breaks the nodule connection and forces its sharpened bones through the skin.