But the sheets/duvet are useful
You can use them as a crude set of bellows for wafting your 'goods' the unsuspecting face of your loved one.

N.B. They might not love you very long if you do this regularly.
( Anthropos Was making beer on, Mon 18 May 2009, 10:05, archived)

Ever heard
of a dutch oven ?
(CIIJASIIE Fanny Scratching in Cock Lane, Mon 18 May 2009, 10:09, archived)

Indeed I have.
I prefer the bellows method as you can catch them unawares.
( Anthropos Was making beer on, Mon 18 May 2009, 10:14, archived)