Charles H. Spurgeon on Psalms 18:2

"The horn of my salvation." Horns are the well-known emblems of strength and power, both in the sacred and profane writers; by a metaphor taken from horned animals, which are frequently made subjects of comparison by poetical writers, and the strength of which, whether for offence or defence, consists principally in their horns. Bruce speaks of a remarkable head-dress worn by the governors of provinces in Abyssinia, consisting of a large broad fillet, bound upon their foreheads and tied behind their heads, and having in the middle of it a horn, or a conical piece of silver, gilt, about four inches long, much in the shape of our common candle extinguishers. It is called kirn or horn, and is only worn on reviews or parades after victory. He supposes this, like other Abyssinian usages, to be taken from the Hebrews, and is of opinion that there are many allusions to the practice in Scripture, in the expression, "lifting up the horn," "exalting the horn," and the like. —Richard Mant.