What is this thing Oromo priests have on their foreheads?

[Moholin01]

If there's any Oromo members on here, what is this thing that your priests have on their foreheads?

It reminds me of the blocks Jews wear on the forehead.

 

[AfranQallo]

It’s a Borana practice. The Qalacha is a sign of a warrior. I won’t go into detail, but just look at it and you’ll know what it resembles and meant.

 

[Abdul_Adan024]

It’s a Borana practice. The Qalacha is a sign of a warrior. I won’t go into detail, but just look at it and you’ll know what it resembles and meant.

You mean a district in Kabul Afghanistan called Qalacha (قلاچه)?