That makes sense now, 4 point seems the only option, I didn't think you would want to be drilling any holes.
Looking forward to the car arriving and your impressions.
Driving me mad, taking so long
I've had it confirmed by Wiechers (Roll Cage peeps) that the lap strap eyelets are supplied and they fix to the bottom of the cage/seat base
How much was cage? Would like to see it once installed as you are local to me, any chance?