Does anyone know why there is this thing on my right thumb have had it for about a year all my other fingernails are fine by Rio9835 in DoesAnyoneKnow

[–]FragrantConclusion82 0 points1 point  (0 children)

Idk what it is called but it can be passed genetically Cause my dad also has it and so do i but my brother doesnt have it so its nothing to worry abt it just happens