Since the parable starts in the previous verse with "Which one of you," some languages would continue the parable in the second person. Alternate translation: "Then when you have found it you will lay ... rejoice" (See: [[rc://en/ta/man/translate/figs-123person]])
This is the way a shepherd carries a sheep. This could be stated. Alternate translation: "lays it across his shoulders to carry it home" (See: [[rc://en/ta/man/translate/figs-explicit]])