Congrats to Honza Bui on picking up a sponsorship deal from MA-based Spin Dynamics! Check out his official welcome video, courtesy of Slusny.
Yoyo used is the Alter Ego by Spin Dynamics.
Honza Bui, dropping bombs! The very first trick in this video is baller, and it just gets better from there.
Yoyo used is the Yomega Prodigy.