Wow. Didn't know such a thing existed. There is a new model apparently which has also bite and head tilt sensors. There are a few videos out there and it does look impressive. I think I am going to get one...
https://www.youtube.com/watch?v=sRDzn6pZwlM
https://www.youtube.com/watch?v=6n0tPvNOFsU
https://www.youtube.com/watch?v=NQpSDph_c4k