Handle, in two parts, for
Bolex Rewind Key : http://shpws.me/MD9O
Key for rewinding and advancing a Bolex 16mm movie camera using the 8:1 or 1:1 gear shafts. Use for superimpositions, fades or animation.
See how it's used here: https://www.youtube.com/watch?v=Eps8GBHkfEM