The perfect pair of scissors... I've been looking - but I still haven't found them.
I've managed to collect quite a few over the years, and none of them are quite right. This isn't even counting all the ones that have ended up as kitchen scissors... or paper craft scissors. And there's also that pair that have been hanging around in the car (for about six months) waiting to be taken and sharpened.
Perhaps I'll just have to buy a new pair of scissors... The perfect pair. They must be out there. Somewhere.