Lishenflex dị ka slings nchekwa ọkachamara maka ndị na-ebuli elu na ndị na-ebubata ya na China, slings nchekwa niile maka ebuli agafeela ụkpụrụ asambodo ụlọ ọrụ mba ụwa, yana ị nwere ike ijide n'aka nke ọma. Ọ bụrụ na ịchọtaghị slings nchekwa ebumnuche nke gị maka ibuli na ndepụta ngwaahịa anyị, ị nwekwara ike ịkpọtụrụ anyị, anyị nwere ike ịnye ọrụ ahaziri iche.