GUIDEDOG

Set to 2 different clues across 2 published puzzles, most often “One in a harness” — The New York Times, Sunday, 8 May 2011.

8 letters

Every clue on record, most used first

One in a harnessonce
The New York Times — Sunday, 8 May 2011
Animal that's often exempt from "no pets" restrictionsonce
The New York Times — Saturday, 8 April 2006