Imichilo yokuxosha izinyoni iyinyoni yensimbi engagqwali kanye ne-spike yokulawula izilwane evimbela zonke izinyoni eziwuhlupho nezilwane ezikhuphukayo, kuwo wonke amazinga okuhlasela nakuzo zonke izinhlobo zezindawo zokufakwa. Imichilo ye-anti-bird spikes cishe ayibonakali kuyilapho ihlinzeka ngesixazululo esingabizi kakhulu nesesikhathi eside ukuze kunqandwe ukuhlukunyezwa kwezinyoni/izilwane nokuvikela impahla yakho emonakalweni.