Ah yes, the Shnurgle grip. One mallet between the thumb and index finger, one between the pinky and ring finger, and 17 mallets between the big toe and grundlepatch.
Only two men on the planet can perform it with any degree of accuracy, and I'm neither.
A tricky technique to be sure, but I've been told that once you master it, life seems to get a little bit sweeter. Checkout lines at the grocery store are shorter, gas prices go down, and that pesky restraining order filed by your old kindergarten teacher gets miraculously lifted.