Add tequila, lime, agave and chili tincture into a blender. Add ice up to level of liquid in blender (or 2.5 oz. of water per Dos-A-Rita® for frozen machine). Blend in blender or frozen machine. Add citrus salt rim to chabela glass. Pour frozen mixture into glass and top with upside down bottle of Dos Equis® Lager.
Dos Equis can and bottle products for the USA are brewed and packaged by Cervezas Cuauhtémoc Moctezuma, S.A. de C.V., Monterrey, NL, Mexico. Dos Equis 5L kegs for the USA are brewed under license by HBBV, Amsterdam, Holland.