Mules by Intentionally Blank, Leather upper, Slip-on style, Pointed toe, Open back, Low heel, Treat with a leather protector, 100% Real Leather Upper. Founded in Los Angeles in 2014 by designer Ty McBride, Intentionally Blank elevates your footwear thanks to its updated take on classic styles. With a dedicated cult following, its leather slingbacks, ankle boots and backless mules fill in the blanks on your shoe rack.