Ralph Chaplin drew the IWW 's image of a black cat with flashing teeth and bared claws as a symbol of the IWW 's concept of sabotage .
Ralph Chaplin is an IWW artist and poet .
Ralph Chaplin , an IWW artist and poet , drew the IWW 's image of a black cat with flashing teeth and bared claws as a symbol of the IWW 's concept of sabotage .