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Well it could be technique but I doubt you are making the edge harsh by stropping. Just going on the crystal ball here I still think the Dovo was not finished right i.e. smooth enough. Anyone that...

Magnification can tell you a lot if you know what to look for. If not you may still be guessing.

You said your Dovo feels 'sharper' than your TI so I am assuming the SS shaves closely ?
If so...

No , it's more likely the edge on your SS needs more polishing or maybe some Cro paste as Jimmy mentioned.