The manner in which the bolas is used differs among the genera. "Mastophora" species hold the bolas stationary with a front leg until a moth approaches, and then cock the leg and swing the bolas towards the prey with a rapid pendulum-like stroke. Other genera use their second leg. "Ordgarius" species begin to whirl the bolas rapidly when detecting an incoming moth. "Cladomelea akermani" whirls the bolas immediately after it has been prepared for about 15 minutes, even when there is no moth present. Instead of preparing a single bolas, at least four "Mastophora" species are known to sometimes hang up to nine droplets on one horizontal line. This has not been observed to result in prey capture, but is remarkably similar to the midline of a "Pasilobus" web in which the spanning threads have been broken.