So if the web was made entirely out of dragline silk, an insect is very likely to just bounce right off. But by having really, really stretchy capture spiral silk, the web is actually able to absorb the impact of that intercepted prey.
Así que si la tela de araña se hiciera enteramente de seda de hilo de amarre, un insecto probablemente rebotaría enseguida. Pero siendo una espiral de captura muy elástica, la tela de araña es capaz de absorber el impacto de la presa interceptada.