Buy «Ball Storage Rack» products like Lynk Sports Rack, Rubbermaid ® FastTrack ® Garage Vertical Ball Rack, SportRack ® by Thule ® SR2414 Ridge 4 Towing Bike Rack, SportRack ® by Thule ® SR2512 Pathway Tow Ball 2 Bike Rack, Southern Enterprises Renfro Entryway Storage Rack in Brown, Kingston Brass 3 - Tier Freestanding Y - Type Towel Rack in Chrome (bedbathandbeyond.com)
PREMIUM PACKAGE PLUS, NAVIGATION MODULE FOR PCM, CONNECT PLUS, JET BLACK METALLIC, LANE CHANGE ASSIST (LCA), TRAILER HITCH W / O TOW BALL, Navigation System, STEERING WHEEL HEATING, Bluetooth... (dupontregistry.com)
Finally, for folks that use their Grand Cherokee for towing, Mopar offers up trailer wiring and towing balls designed just for the Jeep Grand Cherokee. (topspeed.com)