I am seeking actual users and want to know both pros and cons.
Snowline Sport Horses
Breeder of Hanoverian horses
I found three reviews using the search function. Type in "big bale buddy" and the "Show Posts" option--it'll take you right to it.
Resident COTH saddle nerd. (CYA: Not a pro, just a long-time enthusiast!)
Save your money. They didn't work well at all. Waste of $100.
I have one. So far, mare and I love it. So much easier and safer than the metal hay rings or just letting the round bale sit in the field. I love it!