Modular clothing rack system

A modular clothing rack system, comprising:

• at least two racks, each rack having;
• a chassis with a base and a pair of spaced apart support arms each movably mounted to the base between a substantially horizontal stowed position, and a substantially vertical support position;
• a pair of upper support frames each detachably connected to an upper end of one of the arms in the support position of each arm;
• each upper support frame including a spaced apart pair of upright members made of hollow square tubing, each upright member having a first side facing inwardly toward an upright member of the other frame of the rack, a second side facing outwardly in an opposite direction from the first side, a third side facing toward the other upright member of the same frame, and a fourth side facing to a front or rear of the rack and in an opposite direction from the third side;
• a vertically and evenly spaced line of support holes in each of the first, second and fourth sides of each upright member for engaging and supporting a hook structure;
• and
• at least one connecting accessory for connecting the two racks to each other, the accessory having opposite ends each with at least one of the hook structures for engaging at least one of the support holes of the upright member of each of the two racks and for displaying merchandise on the accessory and between the two racks.