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Waterproof knot tying cards with step-by-step boating and sailing rope knot tying diagrams designed to be easy to follow, including descriptions and usage tips
Printed on super thick premium plastic card stock for unmatched durability
Portable and waterproof card format (about the size of a credit card, but more durable) is ideal for maritime environments — far superior to paper knot books
Includes mini carabiner for clipping your knot cards within arm’s reach
How to tie 20 nautical knots specially selected for sailing and boating scenarios