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A strop should be your first priority.

I couldnt find much info on kedake other than this: http://straightrazorpalace.com/razors/24466-kadake-razor.html

But in short.... If i were you.....
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Since you mention not wanting to spend much on hones:

3. Send the razor to a honemeister and buy a barber hone/pasted strop

A) $15-$20 for a professional honing.
B) $15-$30 for a barber hone...