Merchandising support system of the type having a holding member (12) adapted for engagement of a cantilevered accessory arm (14) thereto. The holder is adapted for mounting on a surface of a display panel (30) or the like and comprises a mounting platform (16) with a throat (18) extending therethrough. The accessory arm is supported in the throat in. cantilevered fashion and includes a first magnetic material that engages a second magnetic material (52) with the latter disposed in the throat proximate to a rear surface thereof.