What is the correct Sunnah method for a man to form the clasping ring (Muhalliqan) when tying his hands below the navel?

The Sunnah Acts of Prayer (سنن الصلاة) Part 1: Preparation & Posture

• Clasping the wrist using the index finger and the thumb.
• Clasping the wrist using the pinky finger and the thumb of the right hand.
• Clasping the elbow with the entire hand.
• No ring is formed; the hands are kept completely flat.