Assertion: zither's string | /r/HasProperty | device
Facets:
Source sentences:
text: Traditionally, the strings were wrapped around the goose feet, but there has been a device that has been invented, which is a block of wood attached to the goose feet, with pins similar to those used to tune the guzheng protruding out at the sides, so one can string and tune the qin using a tuning wrench.