The Sticky Stone: Glued To His Foot

Jon was most surprised to wake up to the strange feeling of a small, cold hard lump glued to his foot. He pulled his covers back and saw that the stone was actually attached to the bottom of his foot. He tried to pull it off, but it wouldn't budge. He *had* to find some way of removing it. He couldn't walk around like that. With the stone attached to his foot, how would he be able to wear shoes? "Oh, I wish ..."