Russian contortionist/juggler Vladimir Tsarkov, performing as "The Red Harlequin".
This unique act earned him a gold medal at Cirque de Demain in 1986.
This is the full act, from Circus Benneweis 100th in 1987.
3-7 rings
Zdeněk Polach (now performing as Zee Deneck) at 14th Cirque de Demain in 1991. He won a sliver medal./nAs far as I am aware, this act is unique in the world. If anyone knows another performer who juggles cylinders or sticks in this way, please comment below.