While {TAIL ~ the writing instrument} according to preferred embodiments is a pen, it is understood that the writing instrument may alternatively be a marker, pencil, chalk, {HEAD ~ crayon} or any of various other known writing instruments 
While { TAIL ~ the writing instrument } according to preferred embodiments is a pen , it is understood that the writing instrument may alternatively be a marker , pencil , chalk , { HEAD ~ crayon } or any of various other known writing instruments
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH