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Cornwall group wants ban on flying rings blamed for seal deaths
(www.bbc.co.uk)
Note: Our temporary logo is from The Wildlife Trusts. We are not officially associated with them.
Our current banner is a shot of Walberswick marshes, Suffolk by GreyShuck.
I am wondering if cardboard could work. For dry weather it probably would and surely they could be made very cheaply per unit?
They'd probably be too light and flimsy to work effectively.
plywood? once full of water it wouldn't be so solid
Cardboard derivatives?