This inversion of the bars can be used to cause {TAIL ~ the bars} to penetrate or impale bags of {HEAD ~ trash} 
This inversion of the bars can be used to cause { TAIL ~ the bars } to penetrate or impale bags of { HEAD ~ trash }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD