You can tie as many butterfly knots into a single line of rope as needed, which is especially handy with multiple climbers on a line of rope. But it's not just useful for climbing. The alpine ...

Here's how to tie three classic knots. Produced by Justin Gmoser Follow BI Video: On Facebook More from Lifestyle Your tie can really accentuate an outfit and send a message of confidence.

The knot can be done with or without a central core (such as a round stone or ball bearing) to add extra weight. A Barrel Knot (also known as a Blood Knot) is used for joining to ends of nylon ...