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Every monday from 18:00 - 20:00 you can join the awesome slackline classes of Frank Hemmes at the USC Amsterdam. If you would like more information about these slackline classes have a look on: You should reserve a spot before every slackline session! There are plenty of slacklines indoor, for beginners to pros. Rodeos, tricklines, everything! These lessons are made possible by: Slacktivity, USC and SlackNED Video made by Jonas Konijnenberg Music by Willem Frederik
