As with most of the Nina Hartley's Guides, this instructional vid is pretty much all a viewer will need to prepare him- or herself for the activity under discussion.

Of the two sex scenes presented here, Violet Blue's liaison with Julian and Evan Stone is the hotter, featuring cowgirl, mish, doggie, spoon, anal doggie and anal mish, all while b.j.ing the other guy. Nina's similar action with Chris Cannon and Randy Spears is also eminently strokable, though it's a touch distracting that she interrupts the action occasionally to make her points - but what the hell; she looks great and obviously enjoys what she's doing.