They are generally about as wide as a cat's body, serving as a "built-in measuring tape" to determine if they can fit through a tight opening.

“90 Day Fiancé: The Other Way” season 7 is back with episode 4, promising to keep fans on the edge of their seats. The show airs today, Monday, Sept. 29, at 8 p.m. Eastern on TLC. The show is also ...

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Pat has to deliver a real astronaut's spacesuit to Lauren's special Space Day.