The “carrick bend” is a strong secure bend that cannot jam. It is among the strongest of knots, but requires that both ends be seized onto the standing parts. The “carrick bend” has therefore been characterized as indispensable.
intact: (in-takt’) adj. - having all of its parts; remaining complete; sound; unimpaired. Undamaged. Not altered or diminished. Having all the required or customary characteristics, skills, or the like. Thorough; having all complementary elements included. Unbroken, undivided, unified. It implies that there is no lack or defect, nor has any part been removed. Whole.