You're correct about the grip. That's why I opted for the non-folding, after watching GeoFatBoy review both. The non-folding has a resin handle, totally different. It has fantastic grip, so even if you have lather on your fingers you can still hold the razor firmly. Besides, it was smth. new to try, as I never used a kamisori before, so I thought why not. Great, great shaver, but it requires utmost attention, so I rarely use it.
I've decided to dedicate myself to acquiring the ability to move towards SR and the Feather SS is my starting point. The way you describe the kamisori version would be much more natural for me to use as it's a knife style which is what I'd be use to handling.
The scales of the feather SS really do get in the way of the shave because of the bulk and angle, so I've found myself having to move them a couple of time during the shave especially when going ATG on the neck as they jut out.
The feather professional blade is a pleasure too. BUT I honestly thought these AC blades would have a longer life as many report being able to get in excess of 10 shaves... I got 8 out of the Schick proline before I called it. On shave 8, I felt the "CAUTION" sirens due to the fact that my pressure had to go up and I was resorting to new tactics to cut. Because I am new, it could be a few things... my stubble is coarser than most and that my technique and angles as a beginner weren't that great causing the blade to get duller quicker or it could be that the AC blades are good for 7 shaves. I did pull it out of the Hawk after 4 shaves mind you...
It's only been 7 shaves with it so far... I think this new AC Super Razor in the Kamisori style would have been far better to begin my journey with on reflection. Less to content with and a more "pure" cutting experience taking all factors in consideration. That resin handle sounds amazing, Feather SS folding isn't comfortable to hold compared to many other razors, it's just not. The wavy jimps are like.. well.... "why???". But I would have never known if I didn't shave with it... When I do a full review on it for my youtube channel it will be a very significant point.
I can certainly now use the Feather SS as a daily driver and can get a long lasting shave with it...just it takes me too long to shave with it at the moment.