ReferenceReady Boating and Sailing Knot Cards – Waterproof Guide to 20 Nautical Knots

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