Multifunctional Trolley Patrick Sarran ya kirkiro Km31 don yawancin abubuwan cin abinci da ake amfani da su. Babban matsalar shine ɗaukar nauyi. Za'a iya amfani da wannan keken ɗaya domin bauta ɗaya tebur, ko a jere tare da wasu don buffet. Wanda ya kirkiri zanen ya zana wani babban tauraron mai suna Krion wanda aka sanya a saman bene mai hawa wanda ya tsara don ire-iren trolleys kamar KEZA, kuma daga baya Kvin, Ganyen Shayi, da Kali, tare aka sanya sunan K jerin. Thearfin Krion ya ba da damar zaɓin ƙarshen haske, tare da tsayayyen buƙatar don kafa ƙasa mai marmari.