Umunara wo hejuru ufite umunara w'amashanyarazi uzahita uba igice cyubutegetsi bwawe busanzwe. Nyuma yisomo ryawe ryambere uzumva abs / intangiriro nka mbere. Umukoresha uwo ari we wese azashobora gukora ab vkr ipfumye (kuzamura ivi) imyitozo yo gushushanya no gushimangira umubiri wabo. Imyitozo irashobora kubamo uwambere ukoresheje VKR ibisasu bitera ivi hamwe nivi rinamye cyangwa ukuguru kwimakaza neza kugirango utere hamwe no gukurura. Imyitozo yinyongera harimo gukurura; Gufata bisanzwe, gufata byinshi kandi hejuru kugirango utegure umugongo ukoresheje ergonomic angled angled angled yambaye ku murongo. Wongeyeho ibintu birimo intoki zabigenewe, gusunika utubari hamwe nicyicaro cyo kwicara.