People are only just realising the real reason why there are two buttons on the cuffs of their shirts, thanks to a stylist on TikTok.
Joe - aka @ joe_x_style blew people's minds after he shared the reason, ensuring that people knew it wasn't simply just a spare button on the garment.
In the video, Joe puts on a white shirt and can be seen pointing at the buttons on the cuffs.
READ MORE: Woman in hysterics over foul-mouthed note left under wallpaper by frustrated previous owner
He said: "Have you ever wondered why you have two buttons and only one button hole on your shirt sleeve?
"And it's not a spare in case one falls off!
"Your dominant arm, in my case, I'm right-handed, you want to do the tightest button, and on the non-dominant arm, in my case the left, you want to be doing the looser button.
"This is because you wear your watch on your less dominant arm.
"This allows for an even amount of shirt cuff to be shown on both of your arms so you're always looking smart and dapper."
People were shocked in the comments, and they were quick to explain what they used to think the reason for the two buttons is.
One wrote: "I thought they made for people with different wrist sizes lol", with another TikToker agreeing: "Lol! I've always thought it had everything to do with your wrist size."
Someone else said: "Always thought it was a spare."
"I was today years old when I learned this", another commented.
"Tightest never fits, thought it was just a size thing", someone added.
"I feel so dumb for not realising this, wow", one fumed.
READ NEXT :
'My sister says the little town is broken' - devastated Shay Given's Creeslough connection
Ryanair passengers urged to check in well in advance or risk airport fines
Ronan Keating says his ‘heart is broken’ as he says goodbye to daughter Missy
Fat Freddie Thompson’s ex-father-in-law tries to get PS4 theft case thrown out
Irish Love Island star opens up about 'insane' requests for sex tapes from fans
Get breaking news to your inbox by signing up to our newsletter
