I don't think that's a suspension post.
It looks like it is designed to allow you to make adjustments on the fly with that lever, with the aid of a pneumatic spring. Help me see the appeal here.
My honest take is that this is a gimmicky piece of junk that you should not be riding, especially if you are crushing saddles.
There are suspension seat posts out there but that's not a very good solution to your problem either.
What kind of saddles are you breaking?
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