For the record, the papermate erasermate worked with any eraser, not just the one on the end of the pen itself as the article describes. It would get harder to erase after a while, but not this dramatic, so kudos to sharpie, this is an improvement!
I hold it like a right-handed person would. http://blogs.suntimes.com/ebert/hand-holding-pen.jpg But mirror-imaged. Is it because these left-handers are set on the wrong path by right-handed teachers who don't know better?