There is {HEAD ~ a hook} on the body to one side of the guide for engaging {TAIL ~ an object} 
There is { HEAD ~ a hook } on the body to one side of the guide for engaging { TAIL ~ an object }
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL