Do your posts have one spike or two?
I have double-spikes and one thing I do is that when I move my fence I flip the direction of the spikes so that the second is on the inside one time and the outside the other. That helps keep the posts from developing a permanent curve.
I have double-spikes and one thing I do is that when I move my fence I flip the direction of the spikes so that the second is on the inside one time and the outside the other. That helps keep the posts from developing a permanent curve.