In an alternate embodiment of the apparatus, a series of circumferentially and {HEAD ~ longitudinally spaced perforations} are formed in {TAIL ~ the inner wall member} and the depending wall of the cap member 
In an alternate embodiment of the apparatus , a series of circumferentially and { HEAD ~ longitudinally spaced perforations } are formed in { TAIL ~ the inner wall member } and the depending wall of the cap member
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH