compulsive leg shaking, nose picking, nail biting,

That’s pretty sweet.

sportspage:

Is Knokkers the next big thing?

Probably not.

Invented by former cage fighter Steve Wienecke, Knokkers shares the rules of 8-ball pool, except you roll the 6-pound balls instead of using 8-foot long cue. The field seen here, is installed in Wienecke’s Fredericktown, Missouri backyard. But he’s working on a portable version.

Get more info at knokkers.com