How old are you?
It's too old, and it's difficult to correct this kind of land. Hehe, be prepared psychologically for more than 2 years.
And you need to find a special orthodontist to do it. Don't be afraid to spend money. Because of your condition, poor joint function will be affected, and joint dysfunction and pain will occur in the future.
The holster is very simple to wear, and it can be hung up by dragging it up and down. But first, consult your doctor to see his treatment plan and how much strength you plan to use. If the strength is small, the strength is insufficient, and if the strength is large, there will be periodontal disease!