I predict a riot

[pozorvlak]

Judging by the policing of the G20 protests in April (the ominously-named Operation Glencoe), current Met crowd-control doctrine is as follows:

• Illegally detain ("kettle") thousands of peaceful protestors for hours without food, water or toilet facilities.
• Prevent journalists from taking photographs inside the kettle.
• Carefully allow a few windows to

Comments

[ext_5743]

What's actually wanted is a photographer's bottle, the kind used to hold darkroom chemicals. They have a wide mouth for easy filling, but crucially have a bellows-type design allowing them to be squeezed down for easy storage.

http://www.jackthehat.co.uk/collapsible-chemical-bottle-p-320.html

And they're watertight and resistant to chemicals...

[pozorvlak]

Awesome! A bit expensive for this purpose, but otherwise damn near ideal.

[ext_5743]

Cheaper here -

1 or 2 litre size:

http://www.firstcall-photographic.co.uk/shop/categories/film-processing-equipment/0/jobo/jobo-chemical-storage-bottle-3395z-1-litre/

http://www.firstcall-photographic.co.uk/shop/categories/film-processing-equipment/0/jobo/jobo-chemical-storage-bottle-3396z-2-litres/

[ext_5743]

Ah, and it turns out that the correct term is an "accordion bottle"

[ext_5743]

Even bigger and even cheaper -

http://cgi.ebay.co.uk/NEW-5-L-COLLAPSIBLE-WATER-BOTTLE-1-GALLON-JUG-CARRIER_W0QQitemZ280323948992QQcmdZViewItemQQptZUK_Campervan_Caravan_Accessories?hash=item41449c01c0&_trksid=p3286.c0.m14

[ext_5743]

And, in fact, someone does them with custom printing - but you need to order 120 of them!

http://www.tradeshowexhibitor.com/005081.htm