This is not a slackline. It is a teaching line for helping learning to use a slackline.  
To pick up the Teaching Line, contact the board on info@dtuclimbing.dk and arrange a day and time for picking them up.
The board dose not check E-mails in the weekend or after 17:00.If you rent anything, make sure to contact the board at least 72 hours before pickup to ensure that we can find someone with time to find the stuff
You can either put it up between two trees