Looking for a novel way to raise the sexual bar? The folks at the Adult Novelty Expo have got you covered. The conference, held last week in Universal City, California, is the sex industry's business gathering, where buyers and sellers of sex toys come together to mingle and exchange merch.

In addition to your standard c**k rings and vibrators, this year's offerings included products that "straddle the line between toy (a passive, frivolous object) and machine (a substantial apparatus that inspires commitment and even emotional attachment)," according to Wired's sex columnist.

The Monkey Rocker Tango looks like a piece of gym equipment with squiggly red seats -- pretty innocuous, until you notice the dildo and buttplug protruding from its middle. Made for two people and supporting up to 450 pounds, the chair responds to the motion of your body without batteries.

Click through to see Le Chair, the Menage-A-Tool and others. And if sex machines aren't your bag, check out Tango's kinder, gentler tips for kinking up your bedroom time.