176: The Importance of Redundancy

Today on the First 40 Miles, if you’re bringing something on a backpacking trip “just in case”, there’s a good chance you’ll probably never use that item.  How do you know which “just in case” items are actually important?  Then, a classic backpacking gear standard that’s lightweight, cheap and easy to use.  And we’ll share a hack that will help slim down your trekking poles.