The components, magnet, {HEAD ~ reinforcement} and plunger, of the training device may be introduced inside the barrel during the molding or {TAIL ~ the construction} of the device or it may be introduced later after the individual parts, handle, barrel and casing, have been made 
The components , magnet , { HEAD ~ reinforcement } and plunger , of the training device may be introduced inside the barrel during the molding or { TAIL ~ the construction } of the device or it may be introduced later after the individual parts , handle , barrel and casing , have been made
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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