Assertion: banjo's design | /r/CapableOf | create a kind of arch
Facets:
value: like a flattop tone-ring
type: OTHER
Source sentences:
text: This design makes the vibrating surface of the head smaller in diameter because the tone ring slopes down to the outside of the rim, thus raising or creating a kind of arch with the highest point of the outside perimeter of the vibrating head being along the inside diameter of the rim, instead of the outside diameter, like a flattop tone-ring.