Shock absorbers are wonderful things. You would never know that they are there until they aren't, and you never appreciated them so much until you had the alternative. Do you remember riding in your favorite Radio Flyer wagon as a kid? Let me take you back to that experience: you and a friend grab the metallic wagon and start heading up the colossal hill in the backyard (which was really only a rise in the pavement when you went back to visit last summer...they must've knocked it down since the last time you were there). You are forced into a shouting match all the way up the hill because the wagon is bouncing and chattering all the way along the rough asphalt driveway. There are likely a couple pebbles in the wagon from the time you were transporting your latest rock and dirt collection from the side yard to the backyard at your father's request and the remnant rock collection is only adding to the din. Once you reach the top of the slope, you both hop in the wagon a...