Very good. It's all technique driven. I'd suggest you learn on a real SR, when the season for you arrives. It's the best way to go. Shavettes are more tedious, but still an option, 
@PickledNorthern (Jared) learned on a shavette, maybe he has thoughts. I learned on a real straight, but didn't want another hobby in the form of honing. As a result, I am a daily shavette user now. The reason I use shavette is because open blade shaving is my favorite and most comfy method. Switching back to SR is easy should I choose that, and occasionally I will use a real one.
The 2 DE you should master first is whatever you're on now, followed by a Fatip OC.
Then Schick G or E. Or any SE, like a 1924.
If you're automatic in these safety razors, believe me, you can can easily make the jump.
You're familiar with riding the cap. The safety bar shouldn't really be in play for you anyhow, if you're applying the pressure to the cap side of the blade.
That technique teaches you how to "feel the blade edge, in a good way." That's what competent SR shaving is all about.
No safety bar is just a leap of faith. If you're not carving up your face with a Schick E, you'll have plenty of razor control for smooth open blade shaves.
(sorry for the typos if any, on a phone, no glasses....)
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