Nke a bụ ihe nkpuchi ash nwere ngwa atọ nwere ike kewaa, yana nnukwu efere na ala ala.Uru nke ash catcher bụ na ọ dị mfe ịgbakọta, gbakwunyere na ọ dị mfe ihicha, nke na-eme ka ahụmịhe gị dịkwuo mma.
Uka ya bụ naanị gram 90, nke na-emekwa ka ọ na-ebugharị nke ukwuu na enwere ike wepụ ya na akpa ahụ n'oge ọ bụla, ebe ọ bụla mgbe ị na-apụ.Ogo nkwonkwo ya bụ 18mm, nwoke na nwanyị nwere ike ịhọrọ ma nwoke ma nwanyị.