I heard angelus paint (from you local arts and crafts shop) and some acetone. But first clean the shoe with rubbing alcohol.
Whoever appeals to the law against his fellow man is either a fool or a coward. For whoever cannot take care of themselves without that law is both. For a wounded man will say it his assailant, "If I live, I will kill you. If I die, you are forgiven." Such is the rule of honor.