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