Igomba gukoreshwa kumisatsi yumye, no guhinda umushyitsi mbere yo kuyikoresha.
Kanda umutwe wa spray hanyuma utere neza kuri santimetero 15-20 uhereye kumisatsi.
Kureka nk'iminota 1 kandi iyo byumye, koresha.
Karaba umusatsi mbere yo kuryama hanyuma usubize umusatsi ibara ryumwimerere.