I have been teaching surface water rescue and swiftwater rescue for over 10 years. We teach the "net" technique which we refer to as parbuckling. I took a piece of plastic snow fence about 8-10 feet long attached 2 carabiners to the corners on one end and a pole weaved through the other for weight and a line tied to the middle of the pole. The net is clipped on the boat and draped over the side. The victim is pushed up to the net and the line is tossed over the victim and into the boat, the rescuer then enters the boat pulls the line until they can grab the pole, the net should be wrapped around the victim. The rescuer can then pull up on the bar or carefully fall backwards rolling the victim up and into the boat. this creates mechanical advantage which lessens the load the rescuer has to pull. We also use 3 pieces of long webbing but this takes 2 rescuers in the boat. When I go to work this weekend I will take some photos and post them.