I may be the odd guy here, but I have owned over 10 pop-up hub style blinds in the last dozen years. I have had Double bull, Ameristep, Groundmax, Barronett, Primos, and a Yukon tracks.
I still own many of the above, and I have had multiple blinds from some of the makers listed above. Such as Barronett; I have a Snake eyes 375 and have had 2 grounder 350 blinds. And by far the Grounder 350 was the biggest blinds and the biggest pieces of junk that I have owned. I could not keep either of them together.
Maybe I just got a couple of lemons? But I will not be buying another one to find out.
Good luck with your blind search, they are a great hunting tool!