Njira Yosinthira Yosinthika yokhala ndi Elastic Locking
Mu mtundu wake wanthawi zonse, BLOC-O-LIFT ndi kasupe wotsekera wa gasi yemwe samangokulolani kuti musinthe mipando ndi ma flaps mosavuta komanso mosavuta, komanso kuziyika mosiyanasiyana, komwe zidzasungidwa bwino.
Kugwiritsiridwa ntchito kwake komwe kumakonda kumakhala pakusintha kwa backrest kwa mipando yozungulira, komwe kugunda pang'ono kumakhala kofunikira kuchokera pamalingaliro a ergonomic.