I got a mountain dulcimer a couple of years ago and learned to play it with a "noter," i.e., a small wood accessory that you slide along the string to create a melody. Alas, I haven't played it in a while--with a limited amount of time to devote to practicing, I usually focus on the fife.
I played the dulcimer on my porch a few times, and a neighbor came out and yelled, "Yee Ha!" What a bozo. Someone online called it a "bagpipe with strings" presumably because of the droning sound.
Regardless, as an adult beginner, I haven't been able to find anyone to play with, and I got a cool reception when I mentioned it to other Civil War reenactors--it's not period correct, no accounts of them in camp, etc., etc., one guy even sent me pictures of hippies playing them in the 60's. People are so weird.
Sounds like you've had more success with the instrument and found some folks who are more welcoming. I'm glad I saw this thread--reminded me how much I enjoy it. I'm going to get it out and play it tonight!