Santa Beard
While not the original Santa's beard, it's the next best thing.
About
Where it spawns
It isn't placed as loot in any World's economy. You get it another way: by crafting, gathering, hunting or cooking, or inside another item.
In the game files of: Chernarus+, Nasdara, Livonia, Sakhal.
Repairs
Repaired with: Duct Tape (30), Sewing Kit (25)
In brackets: how much of the kit's quantity one repair uses.
From the game's files, game version 1.30 · SantasBeard