Ku bw’izi mpamvu zose rero, mu gihe umubyeyi agize impamvu zituma atonsa umwana, ashobora gukama amashereka akayasigira umuntu yizeye akayaha umwana kandi akabikorana isuku.
Uburyo bwo gukoresha akamashini gakoreshwa n’intoki (Tire-lait manuel): Ubu buryo nabwo bukoreshwa mu gihe umubyeyi adakeneye gukama amashereka menshi, kuko buravuna kandi burarambirana.