An IDAHO GRAVITY TRAP tripped and nearly caught two snowmobilers this week in Boise County, Idaho.

http://www.ktvb.com/news/localnews/stories/ktvbn-dec0507-survivor_story.6f147085.html

There are many lessons for those that venture into the serious outdoors.

The only equipment that this couple really had was "LUCK".

Normally all die up here depending on a cell phone.