We usually push the limits and run non-beadlock tires down to 8-7 psi. That’s pretty low and it means that a sharp turn at speed or an inconveniently placed rock might push the outer bead of the tire over the safety bead on the wheel. Poof! All the air escapes from your tire and you can’t go anywhere. The first step, as usual, is to get the vehicle stopped in a safe position.