Assertion: octopus's beak | /r/HasProperty | the radula
Facets:
Source sentences:
text: Once the prey is in its full control, then the octopus devours the prey first with its beak, then the radula, and if both these don’t work, then salivary papilla comes into play.
text: Beneath their arms is the mouth, which has a beak and a sandpaper-like tongue called a radula.