I don't really notice my being left handed as a handicap until I try to either mimic somebody's motions, or am presented with something like a top-bound binder. Those are really aggravating. And I can't write on a chalkboard very legibly.
You can always tell a lefty from a righty by looking at their hands - we always have ink or pencil smudges from going over our writing. Unless of course, I'm being creative and writing either backwards or with the paper nearly upside down.
Oh, I have a question - is the dominant hand supposed to be bigger than the other? I heard that somewhere, but my left hand is actually a bit smaller than my right.
Someone else also mentionned about learning how to knit or crochet...I remember once, my girlfriend was going to teach me how to knit...but she was right handed, and trying to do it the way she showed me was very awkward...so she tried to reverse it, to show me how to knit left handed...well, she ended up frustrated as she could not do it, so she finally threw her hands up and told me to go to a store which had knitting classes to learn....well, needless to say, I never did to, and never learned how to knit...
And I also remember when in grade school, we used ink pens that we had to fill from the ink bottles...and when a leftie writes with one of those pens, the ink is still fairly wet, and our leftie hands smear right over what we just wrote...I could never get a great mark in neatness in penmanship because of that...those teachers also did not seem to realize that our sloppiness was not of our own doing...
I must go with the notion, that we lefties, are highly intelligent, highly artistic, and just great folk...LOL...