Assertion: brush's bristle | /r/HasProperty | flexible
Facets:
value: very
type: DEGREE
Source sentences:
text: Since the necks of bottles are often narrower than the bases, a bottle brush usually has flexible bristles that allow it to slide past the neck into the base.
text: The narrowest bottle brushes usually have very flexible bristles plus a twisted-wire core with a top loop for easy gripping.
text: Because boar bristles are soft and flexible, pure boar bristle brushes are excellent for fine, thin or baby-soft hair.
text: Natural bristles are very soft and flexible, which is ideal for painting miniatures.