Used to give mechanical advantage when lifting or pulling heavy objects. This is determined by specific methods in laboratory conditions.
All cam cleats have a quick release feature which is most functional for lines used on sailboats.
Design factors should consider all the factors of use including risk to life and property. This factor should be chosen carefully and may require professional assessment of risk. It may occur under many different situations. The dynamic effects are greater on low-elongation rope such as polyester or natural fiber, than higher elongation ropes such as nylon. If braided while maintaining the original twist in each strand it is called a plaited rope.