Spiky, well-lit trap.
The item id for Barbedwire Ornamental in unturned is 1130. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Useable: Barricade
Build: Wire
Size_X: 2
Size_Y: 1
Size_Z: 0.2
Health: 70
Range: 4
Radius: 0.15
Offset: 0.2
Player_Damage: 40
Zombie_Damage: 80
Animal_Damage: 80
Explosion: 36
Blueprints: 1
Blueprint_0_Type: Barricade
Blueprint_0_Supply_0_ID: 65
Blueprint_0_Supply_0_Amount: 2
Blueprint_0_Build: 27
Blueprint_0_Conditions: 1
Blueprint_0_Condition_0_Type: Holiday
Blueprint_0_Condition_0_Value: Christmas
Has_Clip_Prefab: false