The Joy Fork is part of the Triple Number Set. It can be used alone, or with any other fork. It is also part of the Trilogy Set.
When used in combination with the Pain and Energy forks, you are able to transcend issues and find a path of least resistance.
All of our high quality tuning forks are Made in the USA. Each fork is triple tuned for accuracy of +/- .25% Hz. A protective velvet pouch is included.