The Twin Swords disc from Yikun Discs was PDGA Approved on 1-19-2018.

"Twin Swords is a stable distance driver (12, 5, -1, 2.5) made in Yikun's double ring SHELL overmold technology. This fast driver with great grip is ideal for all weather play and forehand throws. Twin Swords is available in Yikun's Tortoise line plastic." - by Yikun Discs