The personal riding saddle that Jean-Luc Picard keeps aboard the Enterprise-D, and goes back to fetch during a baryon sweep in Starship Mine, so stumbling on a gang of thieves.
Jean-Luc Picard is a keen horseman, as Pen Pals shows when he rides an Arabian mare on the holodeck. Like most serious riders he owns his own saddle and keeps it in his quarters.
In the sixth-season episode Starship Mine, set in 2369, the Enterprise is evacuated at the Remmler Array for a baryon sweep. Picard, bored by a reception on Arkaria, slips back aboard to collect the saddle so that he can go riding, and finds that the maintenance crew are thieves stealing trilithium resin from the warp core.
Trapped on the empty ship with the sweep advancing, he fights them deck by deck, at one point pretending to be the barber Mot. He carries the saddle off at the end, to the puzzlement of his officers, and remarks that he never did get to use it on a horse.