I have a secret scratching fork. 
It's a normal dinner fork, hidden in the depths of one of our kitchen drawers, that I get out when I have an itchy back.
If you've never scratched your itchy back with a fork, I highly recommend it.
I reckon I use it 2 or 3 times a week (it does go in a hot wash in the dishwasher and is hidden so it can't be used for eating, because hygiene).
There is honestly nothing as satisfying. No one else knows about my scratching fork.