A video revealing what appeared to be a shocking amount of lint buildup inside a laundry dryer vent has gone viral on TikTok, where it had received 21 million views as of 1 p.m. ET Friday.

This is especially true for areas that are quite literally out of sight. The dryer lint trap slot is definitely one of these ...

The dryer lint trap is either inside the dryer door rim or on top of the appliance. Whether a front-loading or top-loading style, the lint trap is a narrow slot that holds the lint screen ...

A full load of wet clothes carries about half a gallon of water. The dryer removes the water from the clothing, producing lint, a combustible material. If you don’t clean the lint traps often ...

It’s not complicated. For most dryers, it’s a case of removing the lint trap from an easily accessible slot, scraping the fluff off the mesh, and sliding the filter back in. Clean the vent ...

A blocked lint trap requires the dryer to run longer, adding wear and tear to the machine. Use a lint trap cleaning kit to get into the slot and capture all that loose lint. Clean Your Washing ...

It may be time to check your dryer if your clothes haven’t been drying as fast as they used to. Your lint trap may need a helping hand. That’s what TikTok user Sarah (@sarahmakesmelaugh ...