Teknụzụ nke igwe igwe na-enweghị atụ nke okpukpu abụọ sitere na Japan na South Korea, ọ dịkwa mma maka ịgwakọta ihe nwere nnukwu ike ndọda. Ihe igwekota ihe eji eme ihe nke nwere okpukpu abuo nwere ihe nchikota nke uzo abuo. A na-ejikọta paddles ndị ahụ ma bụrụ akụkụ ụfọdụ. The paddles na-atụgharị na-atụba ihe n'ime oghere mmiri oyi akwa, na-eme ka enweghị ịdị arọ ozugbo na ịdaba n'akụkụ ibe ha., A na-agwakọta ihe ahụ azụ na azụ, na-eme ka mpaghara mmiri na-adịghị arọ na vortex na-atụgharị n'etiti. Ihe na-agagharị radially n'akụkụ okporo osisi ahụ, si otú a na-akpụ usoro okirikiri gburugburu ma na-enweta ngwakọta otu ngwa ngwa.
Ngwakọta ejima-ogwe paddle bụ ngwa ejima-ogwe paddle na-agwakọta akụrụngwa maka ịgwakọta mmanye, emebere maka nkwadebe ụdị ngwakọta ụlọ akọrọ niile na ntuziaka na njikwa akpaaka.
Ihe igwekota ejima-ogwe paddle nwere ahụ kwụ ọtọ, usoro mbanye, agụba ejima-ogwe agwakọta. N'oge ọrụ, ejima-ogwe ikwu reverse adiana na-eduga na agụba dị iche iche n'akuku iji bugharia ihe na axial na radial cycles, n'okpuru omume nke abụọ-ogwe elu-ọsọ adiana, ihe atụpụrụ elu bụ na a ala efu ike ndọda (ie enweghị ike ndọda) na-agbada, na usoro nke-atụba elu na-eweda n'ala na ihe onwunwe. Oge okirikiri: 3-5 min. (maka ngwakọta dị mgbagwoju anya ruo 15 min.)
A na-eji paịlị ngwakọta a na-eji ígwè alloy, nke na-eme ka ndụ ọrụ dịkwuo ogologo, ma na-emezi ihe na-agbanwe agbanwe na nke a na-ewepụ, nke na-eme ka ndị ahịa na-eme ihe dị ukwuu.