The longitudinal opening is wide enough for {TAIL ~ the paw} of {HEAD ~ a cat} to easily fit therethrough 
The longitudinal opening is wide enough for { TAIL ~ the paw } of { HEAD ~ a cat } to easily fit therethrough
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH