The Wright Stuff, Inc.

Third Arm Cup Holder

• Supporting device is versatile and works like an extra hand.
• Velcro strap accommodates different sized cups and bottles.
• Easy to use clamp secures holder to flat, round, square, surfaces.
• Just bend the flexible arm and position the holder anywhere, enabling the user to simply access their beverage or item.

https://www.wrightstuff.biz/third-arm-cup-holder.html