According to this interview with Mike Gordon from March 7, 1992 (at about 12 minutes in), the band was planning on doing a kickline at the end of the walkout of Cracklin' Rosie at this show, and having the security guys join in. This fits with the music of the final chorus, and would explain Page's comment after the second Cold as Ice: "Big hand for Northeast Security, those guys know how to have fun." Alas, it seems no video exists, but those who weren't in attendance can still imagine...

https://archive.org/details/InterviewWithMikeGordonFromPhish1992-03-07