How Do Blood Get On Your Pinky I Have Had A Blood Blister On My Foot A Little Below My Pinky And I Have Had It For Over 3 Weeks. HELP!?

I have had a blood blister on my foot a little below my pinky and i have had it for over 3 weeks. HELP!? - how do blood get on your pinky

Is there a document answering the question? I've been over 3 weeks. it does not hurt. is just below my little finger ... On the back is my foot. is the size of a pinhead. and Google results tell me not to jump. wut do i do.