Good bellhandling is an essential part of our excercise. In order to assist with this I have posted some youtube links in the R&E section (not sure that is the bast place yet) that show examples of good bell handling. The article is below.
Slow Motion bellringing - http://www.youtube.com/watch?v=nLPu17xyQqc&feature=youtu.be
Handstroke Grip and Pull - Learning the Ropes DVD from ART - http://www.youtube.com/watch?v=yXYnM8gbRyM
Stages of Learning - Learning the Ropes DVD from ART - http://www.youtube.com/watch?v=E-6gTWvO11I
I hope you find these resources useful and help you inprove your skills