This is a perfect example of the premise of letting one Testament read you the other. Jesus talks in John 16:25 about using “figures of speech.” The “horn of salvation” is like that. I have read it, I know it’s Jesus, I have no reason to disagree. It’s a “figure of speech” I can easily skip over except this exercise has caused me to see a tiny little letter that directs my attention to Psalm 18 and I find details of worship for that moment I would have otherwise missed.
I love you, Jesus, my strength. You are my rock and my fortress and my deliverer the rock, in whom I take refuge, my shield AND “the reality of my salvation,” my stronghold. Amen.