Generally I prefer hands. You stroke my dick up and down at an unrushed tempo, firmly squeezing and milking my cock from the base up to the tip and back down as you suck and slobber all over the shaft. Sloppy is good! But through it all I need good firm pressure, lots of hand pressure, lots of mouth suction.
But I'm not a Johnny One-Note: as you suck and stroke me, I also like it when you take your free hand, the one not on my dick, and you play with my balls and tug on my scrotum and caresses my ass cheeks. Your palm cups one of my ass cheek and strokes up and down and round and round, squeezing and releasing my butt, and little by little your fingertips slip into my crack and begin to tease on the outside of my anus, now softly, now firmly...then one fingertip darts in there and then out, then a bit more, in and out just a bit, and then you slip one wet finger all the way in and finger fuck my ass as you continue to suck and stroke me off.
So, lots for you to do down there beyond a simple Hands/No Hands choice! But I digress: the bottom line is, yes, I like hands. And, of course, I love to be reciprocating all these same things on you simultaneously. Mmmm, I can almost feel your folds and ridges with my tongue even now. I can almost taste your wetness! Heaven.