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Featured Image Credit: TikTok/@angelariihiluoma
Angela Riihiluoma (@angelariihiluoma), a model who used to work in a hotel, posted the first video on the platform earlier this week, titling the clip 'Hotel Room Nastiness'.
'I was shocked to learn this," she wrote in the caption, adding a sick face emoji.
In the video, she explained: "I worked for a hotel a while ago, doing some marketing stuff, and the gentleman I had been working with had been working for hotels for 20 years.
"And this was top secret information he shared with me that I am going to share with you."
For starters, there's the coffee machine.
"Never ever ever ever ever ever use the coffee machine in a hotel room," Riihiluoma advised.
"[...] Because apparently, some people like to use it as a urinal, so I don't care how addicted you are to coffee, don't touch the coffee maker."
She continued: "Do not use the glasses that they put in the bathroom - you know, the really nice glasses?
"Apparently, housekeepers only have so much time to turn a room and more often than not, they just wipe them down with Windex.
"They don't even wash them."
In a follow-up video, Riihiluoma shared more of her insider insight, telling TikTok users: "Don't use the ice bucket - unless, of course, there's a plastic liner in it.
"But for real for real, don't use it.
"People like to use those as puke buckets, as urinals... Why?! There's a perfectly good bathroom!"
And in a third, she moved our attention over to the bed, discussing a slightly more obvious - but, in her eyes, equally important - hygiene issue to bear in mind.
"I feel like at this point, everybody knows not to use the top cover [on the bed].
"Just take it off. Take it off. Just throw it on the floor."
In the videos, Riihiluoma not only revealed what you shouldn't use, she also listed several things you can do or bring, including the advice to 'always wear socks or slippers' because hotels never wash the 'filthy' floor.
"You'll notice any time you ask for slippers, they're not white that would be because the floors are filthy, like Chistina Aguilera," she joked.
And that wasn't the only footwear Riihiluoma advised packing - saying you should also bring flip-flops.
"Apparently it's extremely common for people to just take a number two in the shower," she warned.
Her videos have proven a hit with TikTokers, having racked up 6.1 million videos for the first one alone.
Many people were mortified to find out about hotel room secrets, with one commenting: "I will be sleeping in my car from now on."
Others shared their own industry knowledge, with one writing: "I worked for a hotel and they don't EVER wash the comforters, just the sheets."
Another added: "Used to work in a hotel for several years. Can confirm the glasses issue. Also, don't use the comforter!!"