Assertion: vampire bat's wing | /r/AtLocation | thin layer of skin
Facets:
value: with a thumb claw
type: MANNER
Source sentences:
text: wings are long, finger-like bones that are covered in a thin layer of skin, with a thumb claw that pokes out of the front and is used for grip when clambering about on their host.
text: Its wings are long, finger-like bones that are covered in a thin layer of skin, with a thumb claw that pokes out of the front and is used for grip when clambering about on their host.