The way they have those belts attached to the rear seat mounts is actually dangerous, especially for open tracking.
That looks like more than the maximum for safety 45* angle down from the seat's belt openings.
![No No [nono] [nono]](/images/smilies/icon_smile_nono.gif)
(But then again, some think that even belts properly mounted to a harness bar, instead of a real roll bar, or even a full spec cage is quite unsafe for open tracking.
![Dunno [dunno] [dunno]](/images/smilies/icon_smile_dunno.gif)
)