hot water bottles
That's gonna take time. You need to submerse it and the water to be at least 104°, and leave for about 45 minutes at a time.
Take a hot bath?
No, cause then you're taking care of your whole body, your body's gonna use your nutrients on your whole body.
If you want to focus on one particular area for cleansing and healing, you've gotta only focus on that spot, that area.
Otherwise, the nutrients in your body are gonna be all used up on your whole body if you're getting into a bath. So, that will help.
No, you don't have to move it, but if you want to that will help.