Job 41:13

13. discover—rather, "uncover the surface" of his garment (skin, Job 10:11): strip off the hard outer coat with which the inner skin is covered.

with—rather, "within his double jaws"; literally, "bridle"; hence that into which the bridle is put, the double row of teeth; but "bridle" is used to imply that none dare put his hand in to insert a bridle where in other animals it is placed (Job 41:4; 39:10).