You may want to also check out:
Meet the Hillbilly Supa Deluxe Pulley System from Spud Inc: a fitness training system with a thick gauge pulley housing and heavy duty nylon. It has a 6-point pulley strap that measures 25 inches in total. You can use this with various rack heights and attachments. The below video shows this pulley system in action.
*some of our articles have aff links. Please read our disclaimer on how we fund Exxponent.