It looks like the are still in the furnace, being heated. Holding the shield would be like trying to pick up the hot end of a fire poker.
* Wedge is sweating from here from the heat being given off by them.
Acutally, its about 70 degrees in my "basement". Its not really a basement, because its only halfway under ground, and one end of it sticks out of the ground, where my garage door is. I wish it were a bit warmer. </tangent>