Auto Tender - The basic idea is that you place a glass inside the circular section of the device, and screw in two bottles of whatever beverage you chose into the top and bottom sections. This machine automatically mixes the drink together when you spin the bottles. Using a system of ball bearings the whole device spins (minus the section where your glass is located) gently pouring small quantities of liquid into your glass over and over again, alternating between bottles.
Unit mounted on a wall
Bottle being inserted into mechanism - Two bottles are inserted into the mechanism...
Bottom detail
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Auto Tender