The use of hammer-on, pull-off and slide.
General mountain dulcimer or music discussions
I only know how to play mountain dulcimer with a noter, which is all about the slide. :) Hammer-ons and pull-offs with a noter can also be used to give slightly different flavors to tunes.
updated by @robin-thompson: 01/29/26 03:52:27PM

(a very little cello emoji haha)