cut one's finger

On the first day you ask him how things went at the hospital after he cut his finger.

Have you ever cut your finger so that it really hurt?

"I'd cut my fingers off before I vote for him again."

She cut her finger trying to pick up one of the blades from the floor.

The mother cut her finger and gave it to the girl so she could suck the blood.

I cut my finger on a staple during the test, and got blood all over the paper.

One day, however, when the emperor was a child, he cut his finger on the shell.

Which would be most likely to cut his fingers?

"yes, i'm all right, just cut my finger on the broken window."

As you can tell I cut my finger up.