E-Z No Dig Anchors for coop

[sublimebri]

Has anyone ever used a product like this to secure a small coop and run? By small, I mean something like 4' x 4' coop and a 8' run. This would include 8 anchors total.

http://www.homedepot.com/p/Mayne-No-Dig-Ground-Screw-580D00000/100592729