"I don't think any of us really knows how to knock someone out," Chuck said thoughtfully. "You knock someone out with a blow to the head, its got to be a hard one, and nine out of ten times the victim will suffer a concussion. It isn't like those wimpy little karate chops to the back of the neck Captain Kirk is always using." "What we need is a Vulcan pinch," I said. "Are they referencing Star Trek again?" Alison asked. "They are," said Lindsey. "Why do they always have to do that?" "Because they have penises."