diff --git a/scenes/icepick_arm.tscn b/scenes/icepick_arm.tscn
new file mode 100644
index 0000000..66566b5
--- /dev/null
+++ b/scenes/icepick_arm.tscn
@@ -0,0 +1,21 @@
+[gd_scene load_steps=3 format=3 uid="uid://c4aghhlbletw"]
+
+[ext_resource type="PackedScene" uid="uid://ccggyhqyue6fr" path="res://assets/pickaxe_arm.glb" id="1_grvsx"]
+[ext_resource type="Script" path="res://scripts/arm.gd" id="2_u82st"]
+
+[node name="pickaxe_arm" instance=ExtResource("1_grvsx")]
+script = ExtResource("2_u82st")
+
+[node name="Sphere_004" parent="Armature/Skeleton3D" index="0"]
+transform = Transform3D(0.919691, 0, 0, 0, 0.919691, 0, 0, 0, 0.919691, 0, -9.53674e-07, 0)
+
+[node name="Sphere_001" parent="Armature/Skeleton3D" index="1"]
+transform = Transform3D(0.919691, 0, 0, 0, 0.919691, 0, 0, 0, 0.919691, 0, 0, 0)
+
+[node name="SkeletonIK3D" type="SkeletonIK3D" parent="Armature/Skeleton3D" index="3"]
+root_bone = &"Bone"
+tip_bone = &"Bone.011"
+target_node = NodePath("../../Target")
+
+[node name="Target" type="Marker3D" parent="Armature" index="1"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 10.2, 0)
diff --git a/scripts/arm.gd b/scripts/arm.gd
index e3a16cd..773ab2f 100644
--- a/scripts/arm.gd
+++ b/scripts/arm.gd
@@ -1,6 +1,6 @@
 extends Node3D
 
-@export var key: Key
+@export var action: StringName
 
 
 # Called when the node enters the scene tree for the first time.
@@ -11,3 +11,12 @@ func _ready() -> void:
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 func _process(delta: float) -> void:
 	pass
+
+
+func _arm_enabled(arm):
+	print_debug("enabled!")
+	pass
+
+func _arm_disabled(arm):
+	print_debug("disabled!")
+	pass
diff --git a/scripts/body.gd b/scripts/body.gd
index 8affe25..001fcb4 100644
--- a/scripts/body.gd
+++ b/scripts/body.gd
@@ -2,12 +2,20 @@ extends Node3D
 
 @export var arms: Array[Node]
 
+signal arm_enabled(arm)
+signal arm_disabled(arm)
+
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	pass # Replace with function body.
-
+	for arm in arms:
+		arm_enabled.connect(arm.arm_enabled)
+		arm_disabled.connect(arm.arm_disabled)
 
 # Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
+func _physics_process(delta: float) -> void:
+	for arm in arms:
+		if Input.is_action_just_pressed(arm.action):
+			arm_enabled.emit(arm)
+		if Input.is_action_just_released(arm.action):
+			arm_disabled.emit(arm)