Anyone carry a "temporary use spare" in their car?

This is out of a 80's Dodge Diplomat (Grand Fury RWD Chrysler New Yorker). Fits Mopar disc brakes and fits flush in a A body tire well.
Had one in my 63 and 68 Valiant's. Neither had limited slip,never had to use one.Good for piece of mind.

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That is a really short little tire!!!

Is that a 125/70/15? That's not even 22" tall. At my current ride height swapping one of those on would put my header flange on that side about 2" off the ground. If I hit a pot hole with one of those on I'd be high centered!