“ReferenceReady’s card sets are a great addition to your outdoor load-out, offering diagrams of how to tie a number of useful knots. They come in camping/backpacking, boating, fishing, climbing, and equine versions. Each set is printed on waterproof plastic cards, and comes with a mini carabiner. Also sold as…” (via The Awesomer)
ReferenceReady Knot Tying Reference Cards
