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Your cart is empty.Make a loop over extra large trees or extend your Ninja slackline up to 8 feet.
LetsGOsteens
July 27, 2025
Used to extend our ninja line around big fat old oak trees. Worked perfectly!
unplug
May 22, 2025
Grandparents got our kids a Ninja kit for XMas. Unfortunately was 4 feet short of making it between our two trees. This extension worked out perfect in fixing the issue.
JuliaAO
May 1, 2025
We needed extra length for our ninjaline to reach between 2 trees. This worked perfectly to connect to our existing line and extend the length.
Andy Rotering
April 16, 2025
Solved the problem of trees being too far apart perfectly. Easy to install and uninstall.
Laura Shurr
February 2, 2025
I bought one to see if it would work, since our trees were a few feet further than our line would go. It worked perfectly soI night a second. One for the slackline and the other for Ninja line above. They're awesome! Totally worth it.
Junie
December 27, 2024
Exactly what was needed to extend my ninja obstacle course. Good quality and strong enough so no worries.
Daniel Worth
December 4, 2024
Needed the extension to reach between the two trees.
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