Kujerar Motsi mai Birgima Rollerback Rocker kujera ce ta motsi da aka yi don zama mai sassaucin daidaitawa da aiki. Firam ɗin ƙarfe da aka haɗa da walda yana riƙe da kayan ado na itacen walnut da aka yanka da hannu, waɗanda ke shiga cikin tsarin kuma an daidaita su da sukurori na musamman. Matashin fatar da ke da siffar silinda suna juyawa a kan sandunan da aka ɗora su, ta yadda mai zama zai iya birgima su ya canza matakin goyon bayan baya a kowane lokaci. Kujerar kuma tana motsi gaba da baya, wanda ke ƙara wani nau'in motsi na biyu. Kayan ado na itacen walnut suna sassauta kusurwoyin firam ɗin ƙarfe. Kujerar tana da girman milimita 570 da 570 da 920.

Sunan aikin : Rollerback Rocker, Sunan masu zanen kaya : Timothy Hardman, Sunan abokin ciniki : Timothy Hardman.

Kyakkyawan ƙira ya cancanci girmamawa sosai. Yau da kullun, muna farin cikin bayyanar da masu zanen ban mamaki waɗanda suke ƙirƙirar asali da sababbin kayayyaki, gine-ginen ban mamaki, salo mai kayatarwa da zane mai zane. A yau, muna gabatar muku da daya daga cikin Manyan Mafarin Duniya. Binciki fayil ɗinda aka ba shi lambar yabo a yau kuma sami wahayi na yau da kullun.