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Does Your Thumbnail Tell If You're Right or Left Handed?

Does Your Thumbnail Tell If You're Right or Left Handed?

Somewhere over the years — I think it was during the high school days — I remember hearing that you can supposedly tell a person's handedness by looking at his or her thumbnail.

Hmm...curious. Whether it be an old wives' tale or has some scientific merit, tell me if this theory is true for you.

Compare your two thumbnails. Is one more squared-off at the base, particularly where your cuticle meets your lower nail bed? If so, does it correspond to your dominant hand or is this all a bunch of poppycock?


Join The Conversation
Allytta Allytta 8 years
i'm right handed and my left hand thumb's nail is more square by the nail bed.
JaimeLeah526 JaimeLeah526 8 years
I'm a righty and my left thumbnail is more squared off.
Baby-Girl Baby-Girl 8 years
Mine are identical.
Cris1192 Cris1192 8 years
I'm right-handed and my left thumbnail is more square at the base.Still I find this confusing
verily verily 8 years
They're both pretty squared off looking, but my left hand does look more perfect than my right. I am left handed. So um... not sure?
emalove emalove 8 years
Wow, I never noticed this before! I'm right-handed, and my right thumb nail is definitely more square-shaped at the base.
Missy-Prissy Missy-Prissy 8 years
negative - both my thumbnails looks near exact of the other
soapbox soapbox 8 years
It worked for me :) I was originally a lefty too, but my mom switched my hands. I actually find it kind of funny.
Nadia84 Nadia84 8 years
I'm right handed and it's extremely squared. I said "whoa" out loud. I feel like Joey Lawrence.
killitded83 killitded83 8 years
woah. it's true for me.
neonjelly neonjelly 8 years
my thumbnails are the same as well...
gemsera gemsera 8 years
mine are the same :(
sonya-ina sonya-ina 8 years
No different whatsoever. My thumbs look exactly the same.
catita85 catita85 8 years
Yes! My right one is more squared at the base, and I´m right handed.
d_et_g d_et_g 8 years
My left nail is squared but I'm right-handed... old wives tale!
Punk-Glam-Queen Punk-Glam-Queen 8 years
Mine are symmetrical, but I was a switched from lefty to righty in first grade (Catholic school, boooo.) Even so, the only thing I do righty is write, absolutely everything else from sports to painting is lefty. So maybe I'm a bit ambidextrous now?
reginosky reginosky 8 years
doesn't work for me... according to this, i should be ambidextrous.
glam-sugar glam-sugar 8 years
Mine look pretty symmetrical.
SanDiegoLove SanDiegoLove 8 years
My left thumbnail is perfect looking. Actually...I've always thought my left had had prettier fingers and the more symmetrical nails and I'm right-handed.
Swen Swen 8 years
My left nail is more square, and I'm left handed, so yup works for me.
Lovely_1 Lovely_1 8 years
Umm I have no clue!
details2 details2 8 years
at first - i thought oh mine are identical... but upon further scrutiny... my ever-so-slightly more sqauared base is on my left hand - but I'm right handed... so not for me... never heard this one before... interesting poll.
cmd0610 cmd0610 8 years
Very confusing! I'm not sure if I can tell . . .
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