This arrived tightly wrapped. Very tightly. So unwrapping it was akin to trying to straighten outa watch spring. 
I figured after  couple of days it would "rest"and straighten out. Ha. So what do I know?
After jumping up and down on it for a while like Coyote from Road Runner, I got it in some form of submission and secured it in place with a 3 ton Acme weight at each corner.
But even then it still rode up like the Lone Ranger. Into huge corrugated waves. Nails are the final resort I fear- but even them I doubt will tame this beast.
It looks lovely and fluffy on the photo. But in fact its sparse. Think Wayne Rooneys hair transplant and you get the idea. So..50 odd quid down the Swanny.Shame really, I like the colours and they match my colour scheme. 
May get a bright red one now to match my blood infused face from the effort of wrestling with this monster.