Iri funguro ryamatungo yazamuye byoroha kubona ibiryo namazi, bishobora gufasha kugenda kwibiryo kuva kumunwa bijya munda.Intambwe ihanitse hamwe na reberi irwanya kunyerera ituma ibikombe bihagarara neza kandi ntibyoroshye kunyerera.Irashobora kubuza amatungo yawe gusunika ibikombe hirya no hino kumena ibiryo hasi.Urufatiro rukomeye, ruzamuye, kandi runini rutuma ruhagarara neza mugihe injangwe cyangwa imbwa zirya.