Here are some of the strangest items in Uber's lost-and-found report including dentures, fingernail clippings — and a brown tortoise

• Uber released its sixth annual lost-and-found report.

• The report tracks the most frequent missing items, as well as a list of "the most unique lost items."

• Here are some of the weirdest things riders left behind.

It's not uncommon for a rider to accidentally leave something behind in an Uber car, which is why in addition to having a system in place for returning missing property, the company also compiles an annual lost-and-found report.

The usual suspects topped Uber's 2022 Lost & Found Index, now in its sixth year. Phone/camera, wallet, and keys, took the first three spots. The company also tracked the most forgetful cities, with Austin, Texas coming in at number one for the second year in a row, followed by Charlotte, N.C., and Houston, Texas.

In addition to the most commonly misplaced items, Uber's report includes a roundup of "the most unique lost items." Among the items on this year's list: fingernail clippings, dentures, a bucket of slime, a brown tortoise, urns containing ashes of a loved one or a pet, and an Employee of the Month plaque.

And dentures weren't the only mouth hardware left behind; according to the report, more than 30 riders left retainers and 20 forgot gold- or diamond-encrusted grills.

There also were several specific requests for missing food, including 500 grams of caviar, tater tots, a pie, 40 chicken nuggets, and 10 pounds of hamburger meat, according to the report.

The report also tracked the most forgetful days (unsurprisingly, Saturday and Sunday) and the most forgetful time of day (5 p.m., likely due to post-work brain fatigue). You can read the full report here.

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