The rubber locking device for a bicycle seat bag 1, wherein said {TAIL ~ rubber ring} is provided at {HEAD ~ one end} with a pull and anti slip roughness 
The rubber locking device for a bicycle seat bag 1 , wherein said { TAIL ~ rubber ring } is provided at { HEAD ~ one end } with a pull and anti slip roughness
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH