Whenever I've had an off, be that on the road or the field etc, I tend to just let instinct take control. It's served me well so far.
Basically, just going floppy, not doing much & generally going with the flow.
In the past, I've landed upside down on the back of my neck, without even so much as a helmet on from approx 50mph and didn't get a scratch.
One day my number will be up, but at least I've had fun whilst I've been here.