Mortar and pestle

A mortar and pestle was a tool consisting of a bowl and a club-like object used to crush, grind, and mix solid substances.

In 2152, Phlox was mixing ingredients with a mortar and pestle when Travis Mayweather entered sickbay complaining of a headache. 

In 2268, Leonard McCoy used a mortar and pestle to create a tranquillizer he was planning to use on the Earp gang.