“Sandbeasts” are constructs used by the people of the desert as beasts of burden for transporting cargo, riding or work. They are made of polished sandstone mixed with other substances for smoothness and strength and are powered by a unique and specific method. They are rather expensive, requiring a fair amount of saving for the average person to afford the smaller kinds.
Just some concepts for the beasts of burden of “Shattered”, the first ideas!
Size comparison chart: http://whitemantis.tumblr.com/post/115738318717/