What are these black lines

What are these black lines

Attached: 4D196F7A-A92D-42CD-9F3B-6FCE7F373218.jpg (1156x1292, 187K)

either its a splinter of dark wood/metal, a natural quirk, or melanoma.
good luck figuring out which

Melanoma. It's an early sign of skin cancer. Get treatment quickly.

You’ve caught a case of the nigger

Your thumbs are so square. So soft. So firm and loving. I'd let you gently place your thumb in my mouth.

hair

you have a heart infection, those are blood clots that filter out of your system trough your nails. if you dont get treated you will have a sroke

Medanon here, it looks to me like a splinter but it's too deep in the nail, it can also be rejected iron from your body, anyway, does it hurt ? Has it appeared in a short period of time ?

Op of here,
Ps the stripes on your nails proove that you have à vitamin deficient

blood stain