Hi, for the past 2 months or so I have had this, what a appears to be, a small circular chunk of dead skin on the bottom of my "index" toe. When i like press my finger up against it, it hurts, but I don't know exactly what it is. I'm not too good at explaining things so I am going to post a picture:

Well that isn't too great of a picture but i hope it is helpful enough. Thank you.