In {TAIL ~ this embodiment} conveying mechanism 300 includes {HEAD ~ a slider} 302 that is slidably received on a transverse guide tube 304 extending the full length of the feeder 
In { TAIL ~ this embodiment } conveying mechanism 300 includes { HEAD ~ a slider } 302 that is slidably received on a transverse guide tube 304 extending the full length of the feeder
OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH