Freeze your favourite bottle of liqour in a sheath of ice.
Distilled spirits like vodka and gin have a high alcohol content (typically 40%+ abv) and will not freeze in conventional freezers. Luckily conventional household freezers are plenty cold to freeze water. Submerging a full bottle of gin within a container of water and freezing we are able to selectively freeze the water creating a sheath of ice around our bottle!
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