He has the New River model. Tie the shock cord loops to each end of the hammock right about where the hammock knot is. Use a simple prussic with just one loop through. Attach the carabiners to the grosgrain looops on each corner. If the quilt is not tight enough, you can shorten the shock cords until it is right. Once you have it right then you can close up each end with the cordlocks.