Rope Bridge

Inca
http://en.wikipedia.org/wiki/Inca_rope_bridge

Net bridge & interesting duo
http://duo.irational.org/red_net/test01/

Monkey bridge, Scoutcraft
Good photos http://www.netwoods.com/monkeybr/monkeybr.html
http://www.glenn.cockwell.com/scouting/scouting_rope_bridge.html
http://www.bsa-troop8.org/Lessons/RopeBridge.pdf
http://www.pioneeringprojects.org/projects/bridges.htm

Rope bridge photo http://lucieg-stock.deviantart.com/art/rope-bridge-311766208


http://www.scoop.it/t/how-to-survive-in-the-s-ittiest-apocalyptic-conditions-the-survival-bible-pardon-me-for-using-vulgar-salng/p/1092478773/rope-bridge-building-the-manuals-d-part-ii



Home-made toothpaste
http://www.diynatural.com/homemade-toothpaste-recipe-easy-and-frugal/