Quote Originally Posted by Ozme52 View Post
...and

It has less to do with the bevel than the holes themselves. The paddle will be preceded by compressed air that gathers in front of the paddle as you swing it. The air both slows the stroke and "cushions" the blow.

Holes reduce the amount (and size) of the air cushion. This can be a big deal and you can cause a lot of damage the first time you swing a paddle (type) you were familiar with that is now holed. Remember, k=mv**2. That means increased velocity causes a greater transfer of kinetic energy by an exponential amount (the velocity squared.)

Bevels may allow more air to be gathered and "forced" through the hole... so that may be why, if they're more effective...

So... as delia says, be careful. Especially the first few times you use a new implement.
Good lord Oz...I am so freaking impressed I think I have the vapors! ***fans self vigorously***