>
> I am also uncomfortable with building a shielding structure.  First, I
> am out of time.  I leave on Friday.  Second, unless carefully
> designed, the shield could fatigue and fly apart, doing far more damage
> than a few rocks.  I don't think that I am up to a safe design.

2x4 in the four forward stake pockets.  Bolts through the provided holes.
Tarp material screwed to the outside with battens.  Piece of cake.

Yrs,
d