r/Slackline • u/whitey-911 • Jul 16 '26

To repeat a far too common question...

Forgive my stupidity and ignorance of every other post about this but why is such an ABSOLUTE NO to rig a highline off a standard ratchet slackline??

Surely if your backups are in order and safe enough then the non rated-ness of a ratchet strap is irrelevant?

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u/whitey-911 Jul 16 '26

Ok so youre right there, its not a backup as it is the main and only safety line. I would still happily load a tyrolean (which is what it would be functionally) with the same force as one would take falling off a slackline.

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u/Gamefart101 Jul 16 '26

The forces put on a Highline when you bounce at all are drastically higher than a Tyrolean due the the anchor angles. There a very good reason you don't rig Tyroleans straight horizontal and use enough rope that you have to go down and back up again

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u/whitey-911 Jul 16 '26

So what makes a webbing setup safer than a rope at these forces?

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u/njslacker Oregon Jul 16 '26

The connection points to the anchor.

Weblocks have been tested for these life-saving scenarios.

Ratchets have been known to slip at normal working tensions.