When stretching the umbrella, the protruding button at {HEAD ~ the fastening device} is securely locked at {TAIL ~ the fastening orifice} at the fixing portion to smoothly stretch the umbrella 
When stretching the umbrella , the protruding button at { HEAD ~ the fastening device } is securely locked at { TAIL ~ the fastening orifice } at the fixing portion to smoothly stretch the umbrella
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH