Imiterere y'icupa rya kera mu nganda zipakira, Icupa rya Boston Round (rizwi kandi nk'icupa rya Winchester), rishobora gufata amazi yose cyangwa akomeye.

Amacupa atandukanye ya Boston Round amacupa aboneka mumabara atandukanye n'ubushobozi. ANT Gupakira ibitse ihitamo ryinshi ryamacupa ya Boston Round. Urashobora kugura amacupa yubusa ya boston kubiciro byinshi kandi ukishimira kohereza vuba.

Amacupa yikirahure ya boston yumukara ningirakamaro mugupakira amavuta yo kwisiga, gupakira amavuta yingenzi, ibikoresho byamazi hamwe nogutanga amasabune. Amacupa y'icupa, ibitonyanga na atomizeri birahari. Gusa hitamo umupfundikizo wawe na pompe.