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Nope, I always strop my Electrics in a straight line. Up and down on a 3" wide strop, and diagonally across on a narrower one.

From Uniclectica:

ELECTRIC
Used by Friedman & Lauterjung, New...

I've tried a variety of sizes and the width never really seemed to matter much to the razor. Narrow strops (like short strops) need more laps to get the job done, but this doesn't really seem to be...