Normally a hammock is hung from a single line which would put a great deal of force on a small area as opposed to a roof rack system which distributes the load over a large area of the cross members and rails.
Roof rack as hammock anchor point.
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You could end up applying hundreds of pound of lateral load.
Each stand can support up to 250 pounds so this should hold up even larger individuals.
Mount as close as you can to the anchor point of the rail get a 4 6 length of sturdy climbing rope don t use whatever twine you ve got lying in your closet.
This item rola 59723 51 removable anchor point extended ape series roof rack for toyota highlander rav4.
The straps use a daisy chained loop system that allows you to adjust the height of your hammock without any trouble.
These tree friendly straps are perfect to attach to roof racks posts large rocks suspending you from anchor points that are over 25 feet apart.
For those afraid of heights the stand can be removed from the roof rack and set up on the ground instead for more conventional hammock lounging.
Attach a carabiner to the loop at the end of your hammock.
Yitamotor 54 universal roof rack cross bars adjustable aluminum cargo carrier rooftop luggage crossbars for car vehicles suvs with existing raised side rails with a gap.
Tie a bowline in one end.
There are two main ways to assemble your hammock on a car s roof.
It s designed to work hammocks 10 feet long or less.
Leave atleast a 6 tail long tail long life is the motto for rigging.
Seems iffy at best to me.
Crossbar hooks carabiner method with slings on roof rack fairly high but safe loop together a webbing strap to create a minimum 2 foot sling.
To do this you need to create a sling with the webbing strap and loop it around the roof rack.