Forget it, they're not that nice!
And for the record, my arse is perfectly formed and hardly ever comes into contact with a couch 
Is it really? 
Is it like a ripe cherry?
I'm sorry..........I had a Bounty moment there.
On the other theme, they aren't nice enough to go and buy for £1 odd in a shop but you would order them on line for a few pounds more!?