InMoov Neck Head Bracket Another Redesign v2

This is my second remix of the skulls neck bracket system. I found the first one had some flaws.

Again my goal is to have enough room in the head to support a raspberry pi computer that can be removed from the ear (without removing the skull).

Update 5/7/2019 -thanks riobot
- Upload JawPiston used in remix

Update 4/9/2019 - thanks Mhars
- repaired the NeckFrameRedesignV8.stl; named NeckFrameRedesignV8-repaired.stl

Flaws in v1:
- The jaw piston did not line up nicely with the