Iyo ukoresheje umusenyi wumye, theakumaicyuhosanderigizwe na hose ifatanye na vacuum yawe yumye. Ku mpera imwe nisander, idasanzwe ya gride-isa nogushyira mubikorwa ikurura iumukungugu wumyekure no hepfo unyuze muri hose. Ku rundi ruhande rwa hose ni indobo y'amazi.