It would come with four tips and four backs. Two of the fronts would thread into a phantom thread and the other two would thread into the cocker threads. One side of the back would be cocker with the other side being phantom. All you have to do is pick the side of the back for the correct threads and then pick the correct front. I love the idea, but he needs quite a few people on board before he’d consider it. This is based off a reply he left when he said if he had 20 people willing to buy, he’d be interested in doing it.