The hands free telephone microphone is built into {TAIL ~ the distal end} of {HEAD ~ a flexible, yet rigid, elongated extension piece} 
The hands free telephone microphone is built into { TAIL ~ the distal end } of { HEAD ~ a flexible , yet rigid , elongated extension piece }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD