The, now famous, Trick of the week serial created by the Konečný brothers presented every week a new spintop trick/variation of trick.
This video involve a Twin Spin Spintop (I guess from Cometa Spintops) catched behind the back:
Konečný brothers
Multiple European/world champions
The Konečný brotherhood, from Czech republic, foundators of the Spintop.cz team.
