A tuning machine for a musical instrument includes a base configured to
engage a headstock of the musical instrument, an actuator rotatably
connected to the base, a shaft rotatably connected to the base, the shaft
providing a first aperture sized to receive a string of the musical
instrument, the shaft being connected to the actuator such that actuation
of the actuator causes rotation of the shaft about an axis of the shaft,
a clamp member movably connected to the shaft and configured to engage
the string, and a bias member connected to the clamp member and the shaft
to bias the clamp member toward a closed position to engage the string
when received by the shaft, where the clamp member and the shaft
cooperate to inhibit removal of the string received by the shaft with the
clamp member engaging the string.