If you are using Evans Clips Patented or 90-Degree Angle Metal Grips, you will need Premium Webbing to make your straps.
Image 1: Evans ClipPatented with the flaps bent back > 90-degrees
Image 2: View from the bottom, showing the position of the Evans ClipPatented and bent-back flaps in the channel for the wooden dowel
Image 3: Z-Chair ottoman from the top, showing the new straps with Evans ClipsPatented