Mubisanzwe iyo tujya kugura ibiryo, icya mbere cyijisho ryacu ni igikapu cyo gupakira ibiryo, bityo ibiryo ntibishobora kugurishwa neza, bifite igice kinini cyimpamvu biterwa nubwiza bwimifuka yibiribwa, ibicuruzwa bimwe nubwo ibara ryayo ntishobora kuba nziza cyane, ariko binyuze muburyo butandukanye bwo gutanga, amaherezo nayo irashobora gukurura abaguzi.