I've been eyeballing one of these:
https://www.powertrax.com/product-info/powertrax-grip-pro-traction-system/
https://www.4wheelparts.com/p/power-trax-gm-8-5-8-6-inch-30-spline-grip-pro-traction-system-gt201030/_/R-BHKT-GT201030
I'd never heard of them. Looks good but I'd like to find out what...