The blades then stop and the motion is reversed with {TAIL ~ the herring slices} between {HEAD ~ the blades} 
The blades then stop and the motion is reversed with { TAIL ~ the herring slices } between { HEAD ~ the blades }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD