Merkur 38G with any Dorco. For some reason, those blades in that razor are terrible for me.
Fatip Piccolo w/ anything
+12011 Muhle R41/Feather. Not a combination for the neophyte or weak at heart. Seriously..............
Merkur Futur cranked past 5 and a Feather is nearly as dangerous.
2011 Muhle R41/Feather.
I had a successful 1st shave with a Piccolo and a new Feather.
For my 2nd shave, I tried a Voskhod and was less careful, thinking the smoother Voskhod would be more forgiving. The result was a couple of nicks and the worst razor burn for over a year