Pick it
Pick the Bottle with the carrier, bring them together and lock them. Unlock one for drink.

Solution

The empty carriers are small, ready to pile up.
The full carriers are easy to connect and stackable.
The idea is a gadget for an aniversary and ready to allow  a Partybottle (3 to 5 l) to be carried and 
to pour out it.
´coming soon` 
injection molding + little montage of little pieces (Switch, Rotary-switches and slider.

Other entries in this project

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gusoto
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ETERNAL CRATE
ferdinand_y
11
345
4.58