Assertion: wrapped mallet | /r/ObjectUse | used on more durable instruments
Facets:
Source sentences:
text: Wrapped mallets , mostly used on marimba, vibraphone and other instruments with softer keys (though they can be used on more durable instruments as well), have heads of kelon, rubber, nylon, acrylic or other medium-hard materials wrapped in softer materials like yarn, cord or latex.