Assertion: ostrich's feather | /r/CapableOf | lack tiny hooks
Facets:
Source sentences:
text: The feathers lack the tiny hooks that lock together the smooth external feathers of flying birds, and so are soft and fluffy and serve as insulation.
text: The wing feathers lack the tiny hooks that lock together the smooth wing feathers of flying birds, an are soft and fluffy and serve as insulation.
text: Their feathers lack the tiny hooks that lock to create the smooth feathers on most flying birds, which gives them a shaggy look.
text: The feathers lack the tiny hooks that lock together the smooth external feathers of flying birds, and so are soft and fluffy and serve as insulation.
text: The feathers lack the tiny hooks that lock together the smooth external feathers of flying birds, and so are soft and fluffy and serve as insulation.