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Agreed. That key to maintaining a good edge is to correct it AS SOON AS the quality of the shave diminishes. If you do that, it probably will require less than 50 strokes to restore the edge.

Realistically, I don't think this is as big of an issue as some make it out to be. If you CAN'T do 50 good strokes, then the odds are good that you can't do 10 good strokes either, and vice versa.
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Now be careful there. Some people have gone a bit overboard in that endeavor!
:angel:

Yes, and the smoothing by the strop is really simply re-aligning minor deformations at the very tip of the bevel, aka, the edge.

You have several options for maintaining an edge that is already sharp but just needs a simple touch up. Any of these options will work indefinitely for maintaining the edge of your razor as long as...