Mine (Zimbabwean 🇿🇼) is the mbira.
For a feel of the sound: https://youtu.be/R5RMYh-n3LU
Jah Prayzah the guy singing is a renowned musician.
They seem to be using the mbira in modernized covers, but the metal pestle order seem the same as the more traditional looking ones.
P/S I'm not self promoting the YouTube link. It just shows how the mbira sounds unedited.
The Kantele
Lot's a of kids learn to play a 5-string version, but it goes up to dozens of strings, and some have a pedal to control sustain.
The origins of the instrument are finnish, but it's also popular in Japan, which is why you'll see a lot of stuff online about it in Japanese. Including the video I linked.
Here's what they can do as members of a orchestra.
It seems like the local version of the Zither. You can have wildly different playing style on that:
https://www.youtube.com/watch?v=VAeYt-swWG0
Well yes. There's only so many ways to suspend strings for musical purposes.
From the Kanteles Wikipedia:
Plenty of versions of the same thing all over the world.