The Gravity Sock is used to capture water from a stream or spring above the fire. The Sock is secured by stakes, rocks, or rope at the water source and a hose line is attached. The gathering point should be at least 100 feet above the fire. 
            Features of Gravity Socks
- Constructed of heavy duty treated canvas duck
- Diameter: 9” (23cm)
 
- Length: 42” (1.06m)
 
- 1.5” (38mm) male coupling