The body becomes stiffer in the joints and unexpectedly heavy. Because of this, dressing a dead body basically requires a new way of dressing someone, where you turn their garments upside down.Interlandi's line appears to be a more dignified way of death. She only uses natural fabrics in her one-size-fits-all robes, some of which include calico, cotton, silk, and lace. Plus they're designed to make dressing the dead as easy as possible.
Dress a corpse in nylon tights or stockings, and they will constrict around the waist and act as pressure tights around the legs. The result is that when deterioration sets in the bacteria can't easily get down the legs or around the torso, resulting in the legs mummifying while the upper body rots normally.