Assertion: racket's string | /r/HasProperty | natural gut
Facets:
Source sentences:
text: The earliest strings were made from cow intestines ("natural gut"), a reliable string but very expensive.
text: Rest assured, we have tried virtually all the strings out there – natural gut, multifilaments and polyesters at both low and high tensions!
text: The best string for playability at this time is still natural gut (natural product made from beef intestines).