My ot suggested when spending time with my horse, I pet her using my affected hand and arm and go with and against the grain of her short summer coat. Just kinda using her fur like a brush. It's very nice because for me being around horses just standing and hanging around gives me Very good physiological feedback. Because of this I don't mind doing it and tend to ignore the extent of the bad feeling...
He suggests this to people with pets who have nerve issues and such. (I think I am his only crps patient but he seems to know about it )
If you have pets I highly suggest this! Just don't do it during and excitable time, try it when it's in a relaxed calm environment where you kinda forget what you are doing. But I am not sure how it would work if you have full body pain. but for limbs it would work out

The NOI group has a overall treatment program, but it's my understanding the specific protocol depends on the person. In PT, my therapist would use different fabrics, like a wash cloth, sometimes unexpectedly. In OT, I use the corn husk machine and different textures on a stick. But how long I do any of those depends on whether it's a good or bad day, how long I've been doing it, etc. The most important thing is to try to use the affected area as much as possible as normally as possible. The more normal signals the brain gets, the better. Please go at your own pace though. With my foot, it took much longer to resume normal activity than it did in my hand.