http://www.bbc.co.uk/news/resources/.../calming_touch

I found this interesting article about small items that helped people cope with their depression and anxiety. One chap has a ring and a neckless; one woman has a small stuffed dog to deal with anxiety and someone else plays the guitar.
I know it sounds like the blue blanket that people carry round and that's okay if it calms you, so what little nick naks do you carry that help you?

I have a photo of my boys that i carry round in my wallet that i look at they were the first photo i took of them when they were born.