My aging hand gets sore fast when using an Apple Pencil or my Wacom stylus, probably because I tend to use a "claw" grip in order to angle the stylus so that the iPad or tablet reads its input correctly. This tends to promote drawing from the wrist, which tires me fast. By contrast, I can use a traditional long-handle oil paintbrush all day long, because I hold it with an overhand grip and paint more from my shoulder.
So I'm wondering: is there a "long-handled oil brush" stylus? Google and Amazon searches reveal products like the Nomadbrush, which features lots of nylon bristles -- but it's shaped like a big ol' round brush, not a flat brush, which is what I prefer. Can anyone recommend a "paintbrush stylus"? Thanks in advance.