A ring, such as in our country is placed through the nose of a bull, and similarly used in the East for leading about lions -- (Ezekiel 19:4) where the Authorized Version has "with chains --camels and other animals. Called "thorn" in (Job 41:2) A similar method was adopted for leading prisoners. (2 Chronicles 33:11)
The hooks of the pillars of the tabernacle. (Exodus 26:32,37; 27:10) ff.; Exod 38:13 ff.