Assertion: binturong's claw | /r/CapableOf | grip onto tree
Facets:
Source sentences:
text: Binturongs are able to turn their ankles backwards so that their claws can still grip onto a tree when they are climbing down a tree headfirst.
text: Binturongs have the ability to turn their ankles backwards, so their claws can grip onto a tree if they are climbing down headfirst!