Survival StrapsTM are the original, U.S. made survival bracelet. They are hand-constructed from approximately 16 FEET of Seven-Strand, 550 pound test heavy-duty military specification parachute cord. They contain approximately 1.75 of parachute cord for every inch (wrist size) ordered. That means that 16 Feet of seven strands, plus the shell, equals about 128 FEET of high-grade nylon cord immediately available for a wide variety of tasks when the inner strands are removed.
DIY Jewelry Making for Beginners: How to Attach Clasps Tutorials by Teahab Part One and Two. It covers: Using Box Clasps for thicker cord, Using Crimp Tube with Loop for thinner cords, Using Ribbon Ends for fabric and ribbon. Part Two How to Attach Clasps covers: Crimps and Callottes for cords, Wire Guardians for heavier pieces, Wire Wrapping for multiple strands