Ọtụtụ mgbe, n'ime igwe ịsa akwa, anyị na-ahụ n'ụlọ ahịa ngwa ụlọ, ' mmeghe ' dị n'okpuru igwe ịsa ahụ, a na-akpọ ụdị igwe a na-asa ákwà n'ihu.Na mgbakwunye na ụfọdụ ndị na-emepụta ihe na-etinye drum n'akụkụ iji mee igwe ịsa akwa pụrụ iche, ebe ahụ
Igwe a na-asa ákwà mbụ nke ụwa, akụkụ bụ isi nke ya bụ drum nke nwere ogwe aka kwụ ọtọ nke nwere akwụkwọ dị ka paddle, a na-atụgharị ogwe ahụ site na ịkwanye crank jikọtara ya.Otú ọ dị, a naghị eji igwe a na-asa ákwà eme ihe n'ihi na ọ na-esiri ya ike iji uwe na-emebi emebi, mana ọ na-aka akara arịrịọ.