then , the second hatch creaks slowly upright as rann jumps , t-rex out the zipper and rolls into a somersault and lands upon his back muscles in the gunk of thick white foam , sliding his body horizontally into a set of three chairs , scattering the furniture like field mice around the crowded room then rann hits the right table leg swinging his swaying body into the soft sofa leg and bounces his boots against the hard wall and finally stops .