A NEW mum has revealed the nappy-changing fail most parents are making without realising.
In a video shared to TikTok, she explained how to use your baby's changing mat in the right way – and social media users have been blown away.
In a post, the woman took viewers step-by-step through her "parenting hack", and began by asking: "Why do no one tell me I've been using my changing mat wrong this whole time?"
Pointing at one end of the mat, below her baby's feet, she said "this is not the bottom, that is the top".
The mum continued: "What I thought was a head rest is not a head rest, it's to catch pee if they pee when you're changing them. Who else knew this?"
Demonstrating using a jug of water, she showed how the cushioned edging of the mat stopped the liquid flowing off onto the floor.
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The tip was popular with fellow parents, who left more than 11,000 'likes' and over 300 comments.
Many admitted that they had also been making the same mistake when changing their baby's nappies.
One wrote: "Omg I didn't know that either."
Another commented: "What?? My two babies are now adults and I never knew this."