With one hand:Fistly cut a thumb size branch that is 10cm longer than the saw itself.then cut a V pattern on the two ends of the branch,put one ring in one V,and bend the branch,then the other ring in the other V.you can get a bow-like saw.
With two hands: put your thumbs in the rings at the ends, tighten and move back and forth.
1x Tomota 24 Inches Stainless Steel Portable Hand ChainSaw
Made of Superior Four Strands Stainless Steel Wire Rope Winding Which Has Strong Tensile Strength
The Teeth Is Sharp But It Is Also Smooth and Safe
With Two Rings and 360 Degree Rotational Band at The End It Has Characteristics of Easily Operating and Carrying, Safe for Hand and Cloth, No Need Special Manintain
Suitable for Hunter, Fisher, Camper, Explorer, Other Outdoor Activities and Family Use
Length: 60cm / 24 inches