Affects: Fainting - Give severe pains to loin and abdomen portion by stimulation of sciatic nerve, and cause loss of motor organ.
Most Martial Styles do not use this target area, however it is perfect for most low kicks and even a fist attack depending on the circumstances. If you are a grappler the use of your knee or elbow could also trigger this target when the opponent is felled and face down.
We must always take into account with Hohan Sokens notes and specific Kyusho Targets, that the attacks Hohan Soken wrote about were based on his Karate Style, but they are easily adaptable no matter what style you train. The tools will also change with your style and will be equally effective if you understand the anatomical target and it's trajectory.
To learn the method, targets and see the affect in real time, the extended films are located at these links: