I can think of a few...
a cantilever/stylus assembly, or maybe even a Saskia spindle.
http://www.gizmag.com/q-carbon-new-phase-of-carbon/40668/
a cantilever/stylus assembly, or maybe even a Saskia spindle.
http://www.gizmag.com/q-carbon-new-phase-of-carbon/40668/