Right there, on your dishes. Just when you need it. DESIGNED IN UTAH, CRAG CARDS Essential Climbing Knots is the only portable, waterproof, extremely durable knot reference guide on the market designed specifically for climbers, by climbers. They are only 3.5 x 2.25 inches, so a great little gift or stocking stuffer for climbers. Slip a set into your bag or attach it to your harness or backpack with the included braided stainless steel loop. Crag Cards: essential climbing knots include detailed, step-by-step diagrams showing how to tie the 19 most common and useful climbing knots, along with descriptions and application tips. These knot cards are handy on your harness if you are a little rusty and want to check knots while climbing, or if you want to learn new knots, the package includes a set of climbing maps: essential climbing knots and a free removable stainless steel wire loop to attach to your harness or backpack.