The base 22 is in the form of {HEAD ~ a hollow body} 26, and {TAIL ~ the anvils} 24 are operatively positioned within the hollow interior of the base body 26 
The base 22 is in the form of { HEAD ~ a hollow body } 26 , and { TAIL ~ the anvils } 24 are operatively positioned within the hollow interior of the base body 26
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH