Sacrificial knife, in the form of a crouching eagle warrior, with flint blade. Handle made of cedro wood (Cedrela odorata) and covered with mosaic made of turquoise, malachite and three types of shell: white conch (Strombus sp.), thorny oyster (Spondylus princeps) and mother-of-pearl (Pinctada mazatlantica). Pine resin is used as adhesive and decoratively as inlay. The blade hafting is bound with maguey fibre (Agave) and coated with Protium resin.