The black RoboCup Dual Cup Holder is a clamp-on drink holder designed to be clamped on to any flat or round surface up to 2 in diameter. The
RoboCup Clamp-On Dual-Cup & Drink Holder (Red & Black) 07-115-RB
RoboCup Drinks Holder – DIT Tools
RoboCup Clamp-On Dual-Cup & Drink Holder 07-123-YB B&H Photo
Inovativ Double Clamped Portable Cup Holder
RoboCup Holder - Wheeleez, Inc. Wheeleez™ low-pressure wheels
RoboCup Drinks Holder – DIT Tools
RoboCup Portable Caddy Cup Holder
RoboCup NAVY Patented Clamp on Caddy Dual Cup, Drink & Rod Holder - -- ROBOCUP
Deluxe Dual Cupholder – BATCADDY
Robocup ROBOCUP, Navy, Upgraded Version, Best Cup Holder for Drinks, Fishing Rod/Pole, Boat, Beach Chair, Golf Cart, Wheelchair, Walker