Continuity mistake: When Miranda hands the show tickets she gives Samantha's twice and Carrie's tickets three times.
Continuity mistake: When the girls are in line for a show, Sam is either holding her purse or keeping it under her armpit. This keeps changing in almost every shot.
Continuity mistake: At the Indian restaurant when Bill kisses Carrie's hand she lowers her right hand in one shot, but has it raised and on her left arm on the other.
Revealing mistake: When the girls have a salad, Miranda never eats nor has any food on her fork, she just mimics eating.
Continuity mistake: When Carrie says the politician is hot, Miranda is about to drink her tea. Shot changes and now she is holding the knife and fork.
Continuity mistake: When the girls are having a salad and talking about the politician, Carrie is toying with the knife with her right hand in one shot, or grabbing the fork from another angle.
Answer: A popular brand of sexual lubricant. See http://www.k-y.com/index.jsp.
J I Cohen