Half a croissant, on a plate, with a sign in front of it saying '50c'
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A Cool Head

freeze brain and keep a cool head
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A Cool Head is the name given to a new type of helmet that can keep your head cool - very cool if you leave it on for long enough.

It's a simple helmet, composed of a hard plastic, and surrounds most of the head, leaving the facial area open. It differs from every other helmet in one main respect: it has a double skin that facilitates it being filled with water, secured against leakage by a screw tight stopper.

Once filled with water, the helmet is placed in a freezer compartment until the contents of the water jacket turns to ice. Now when you need to have a cool head, you just put it on and chill out until your brain freezes.

xenzag, Apr 09 2018

Ice jacket https://www.thegree...-bottle-chiller.php
Put beverage of choice on frozen thing [Selky, Apr 12 2018]

[link]






       A system to transport a chilled alcoholic beverage in such a manner would find a ready market.
8th of 7, Apr 09 2018
  

       [8th of 7], see link. Though perhaps not that useful for transport... you probably need a more literal jacket to do that.
Selky, Apr 12 2018
  

       I think you would a bit of trouble getting your head inside that, unless of course you had it remodeled as a bottle shape.
xenzag, Apr 12 2018
  

       ... or your head is already nicely pointed, like [beanangel]'s ...
8th of 7, Apr 12 2018
  

       With one of these I will prevail for sure.   
      
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