Mouth of tenor trombone
Posted: Thu Oct 12, 2017 10:07 pm
http://www.ebay.com/itm/Mouth-of-tenor-trombone-unbranded-and-Trombone-lubricant-slide-o-mix-/132361221437?hash=item1ed157f53d:g:F1AAAOSwEzFZ34pJ
It even says so right on the box!