I play right-handed, but am surprised at the posts about the left-handed fiddlers. It's an accepted alternative here (Cape Breton) and several respected lefties are well-known, and noone thinks it odd. No, you don't reverse the strings. Yes, it makes it a stretch for the upper positions, but nothing that can't be coped with. You play up the pole on the back strings too, after all.

I've never been here before, so don't know where most of you are, but I would guess the US---one fellow a couple miles from here has played a few times at Carnegie Hall in NY, and he's a lefty fiddler. Ashley MacIsaac by name, if you want to hunt up a tape somewhere. Then there's Kinnon Beaton, he's a lefty, and......