High line slackline kit. The Alpine Weblocks, soft release, Wafer line grip, and Boss pulley set make tensioning and de-tensioning any line easy and smooth. Highlining is the practice of slacklining at least 7 m high from the ground with harness and safety rope. World's most famous Slackline Sets, Longline Kits, Rodeoline sets and Highline gear for beginners, advanced and professionals High quality and ISA - International Slackline Association - certified highline equipment. Get Involved Today! Discover SLACKTIVITY's innovative products on the international slackline shop. Highline means fun and adrenaline, but also danger. Webbings, weblocks, Hangovers, leashes and more gear. The Involved Highline Kit includes everything you need to set up a safe highline slackline. For those seeking to push their limits, the Trickline Kit provides a dynamic setup designed for advanced tricks and high-energy performance, featuring durable materials that withstand intense use. Swiss designed premium slackline gear for the best experience. .