I always keep a can (plastic bottle) of oil under the hood of every car and have taught my spawn to do the same. Earlier this winter we had three different oil cans under three different hoods get chewed on in one week. Two of them had fairly large holes chewed above the line of oil, causing some degree of a mess while driving. The can in the Miata had a small hole in the bottom, causing a slight mess that turned into a bigger mess upon driving and the mess eventually reached the exhaust manifold all at once. Now we know that the Miata burns oil externally.
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