The, now famous, Trick of the week serial created by the Konečný brothers presented every week a new spintop trick/variation of trick.

CZ: Když vezmeš Hummingbirds, ale provázek si dáš za záda místo kolem krku, taky to funguje.
EN: Put your string around your back instead of your neck while doing Hummingbirds, it kinda works.
Konečný brothers

Konečný brothers

Multiple European/world champions

The Konečný brotherhood, from Czech republic, foundators of the Spintop.cz team.