This is a CGI effect that you can do in reality by only using ONE rubber band.The performer has a red rubber band in his hand. The color of the band will change slowly after the finger crosses the band.
What do you get?
Eye Candy by Eric Ross
Kaos by Daniel Garcia (Ellusionist)
Boarding Pass by Mariano Goni
Hypervisual (With Cards) by Jay Sankey
Duo by Rian Lehman
Ambitio by David Forrest
Christmas Exchange by Luis Zavaleta & Nox
Professional Linking Ropes Routine by Jeremy Pe