Dumbbell bench press tips

Hey y'all, so seemingly no matter how good I try to make my form, I never feel my chest activating during dumbbell bench presses, and I'm kinda at a loss.

Maybe my form isn't as good as I think it is? Should I practice it at a lower weight until I feel my chest muscles activating? Maybe I should just swap to a different chest exercise all together? Any advice would be really appreciated, and for reference, my workout setup is a set of adjustable dumbbells and a flat bench I have at home.