Irashobora gukorwa mubice 3, igice cyimbere cyari igice cyo guhuza ibikoresho byawe nkamata, umutobe cyangwa ikindi kintu cyose cyamazi… hanze yimbere, hari ikoti ryo gushyushya / gukonjesha kumazi cyangwa amazi ashyushye / amazi akonje. Hanyuma haza igikonoshwa cyo hanze. Hagati y'igikonoshwa cyo hanze n'ikoti, hari uburebure bwa 50mm bwo kubika ubushyuhe.