Lishenflex dị ka ọkachamara n'elu ụlọ mmanya ratchet straps emeputa na soplaya na China, niile n'elu ụlọ mmanya ratchet straps agafewo mba ụwa asambodo ụkpụrụ, na ị nwere ike kpamkpam kwenye na nke àgwà. Ọ bụrụ na ịchọtaghị eriri intent roof bar ratchet nke gị na ndepụta ngwaahịa anyị, ị nwekwara ike ịkpọtụrụ anyị, anyị nwere ike ịnye ọrụ ahaziri iche.