Why strain a muscle trying to set up your awesome new zip line? Grab a Tensioning Kit to make the job a snap. Designed to make installing your zip line a one-man job or super-human strength. Wrap the lanyard around your anchor, attach the winch to the lanyard, extend the spool on the ratchet system and latch your cable grab in place on the main zip line cable. Crank winch until cable reaches desired height, then attach cable clamps to terminate your zip line cable and boom youre done.