JJM Pay & Display JJM Pay & Display from Mathieu Arsenault JJM Pay & Display Custodian - A project done for JJM. A pay & Display machine design to integrate itself to the urban environment becoming a an urban mobilia. gLike JJM Pay & Display Custodian - A project done for JJM. A pay & Display machine design to integrate itself to the urban environment becoming a an urban mobilia. Industrial Design Share R 7 n Mathieu Arsenault Industrial/Marketing Designer Montreal, PQ Follow Contact