at least one metallic splice member connecting {TAIL ~ adjacent ones} of {HEAD ~ the skins}; and 
at least one metallic splice member connecting { TAIL ~ adjacent ones } of { HEAD ~ the skins } ; and
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH