All American Indian moccasins were originally made of soft leather stitched together with sinew. Though the basic construction of Native American moccasins was similar throughout North America, moccasin patterns were subtly different in nearly every tribe, and Indian people could often tell each other's tribal affiliation simply from the design of their shoes. (In fact, the common names of some large nations like the Blackfoot and the Chippewas refer to their characteristic moccasin styles.) Tribal differences included not only the cut of the moccasins (here is an excellent showing moccasin designs among different tribes), but also the extensive beadwork, quillwork, and painted designs many Indian people lavished on their shoes. In some tribes hardened rawhide was used for the sole for added durability.