Lishenflex dị ka ọkachamara nnukwu eriri ratchet na-emepụta na onye na-ebubata ya na China, nnukwu eriri ratchet niile agafewo ụkpụrụ asambodo ụlọ ọrụ mba ụwa, na ị nwere ike ijide n'aka nke ọma. Ọ bụrụ na ịchọtaghị ihe nke gị Intent nnukwu eriri ratchet na ndepụta ngwaahịa anyị, ị nwekwara ike ịkpọtụrụ anyị, anyị nwere ike ịnye ọrụ ahaziri iche.