Oh I have come close to slicing my fingers with my 3pc Gillette's because of blade tab overhang when I first started using them. I use this method and it works the best with any 3 pc razors.
(Some old archived photo's 5 yrs back on a old thread called "Daily learning curve of having a Great shave" on another forum.)
Good way of just starting to tighten..... Final grip to tighten the blade snug only works the best for myself.
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Have some great shaves!
I've tried a few different methods but I always go back to pinching the ends of the razor method. I'd like to think that it keeps me from over tightening but the reality is I'm just too lazy to relearn something new in the morning ritual.