Or whatever you use in the frozen north, the point is you can probably find a fresh one for less than the lbs is going to charge to tell you it's fucked
If you can find a clamp to go on the post itself to stop it sliding down (you may need to take a lip off the clamp) you can probably horribly bodge it though.
Or whatever you use in the frozen north, the point is you can probably find a fresh one for less than the lbs is going to charge to tell you it's fucked