Take a look at how much work it is to safely rescue people off a low chairlift. Who/what would you trust more? Your little bag of rope and harness in your inexperienced hands or a pro who is equipped to keep you alive..



Another example with single rope.


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Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock