Are these spintop thing that YYF sold that people were really buying it for 5a?
http://shop.yoyoexpert.com/product/240/YYF-Spin-Top-‘Button’
Yes. They are spintop buttons. Duncan has began licensing the patent.
Now that YYF is producing spintops again, they are selling the Spintop Buttons too. Wether or not we use them for 5a is up to us. YYF hasn’t been given a license yet, it’s only YoyoJam at the moment