If it's a smiling blade and you're using the actual Rolling Hone technique it shouldn't increase the amount that the tip gets honed since different parts of the blade are on the hone for approximately the same amounrt of time. Just the angle of the striations would change on the blade, which is still something I'd recommend against. If it's a 'flat' edge, I think you'll be over honing.

The "Contact Zone" you identify is about right, but that's NOT my technique where you pust the tip forward.

Another disclaimer. honing is rightly considered an art form and each artist finds his own way.

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