From their website…

The Feltenberger Pendulum

“Introducing the Feltenberger Pendulum; a patented technology as easy to use as pushing a child on a swing.  Stunning in its simplicity, this technology uses the always present force of gravity to assist with work.  Its mechanical advantage allows the use of Gravity Assisted Power (GAP) anytime, anywhere.

What is GAP and how does the Feltenberger Pendulum use it?  Watch the video and find out.”

Bob Thompson, president of One Life Missions Foundation, talks about the use of the Feltenberger Pendulum Pump in Haiti.