"The Mechanic's Grip" (often seen as a form of fantasy play)
is not to be held in disdain any more than ... well ... "The
Psychiatrist's Grip".
Some people prefer a slice of fresh liver in their hand. With
others it is a liberal application of oil ... preferably French.
(But plain old peanut oil will produce the desired result.)
And if Richard wants to jerk off that's his business.
Bill Alan MD :-)