diff --git a/.gitignore b/.gitignore
index 3610f98..862ba97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -58,3 +58,5 @@ sysinfo.txt
 # Crashlytics generated file
 crashlytics-build.properties
 
+# Blender save backup files
+*.blend1
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+++ b/Assets/Materials/Hazard.mat
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diff --git a/Assets/Prefabs/spike.prefab.meta b/Assets/Prefabs/spike.prefab.meta
new file mode 100644
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diff --git a/Assets/Scenes/SampleScene.unity b/Assets/Scenes/SampleScene.unity
index 20f5e0e..4987cd9 100644
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+++ b/Assets/Scenes/SampleScene.unity
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diff --git a/Assets/Scripts/MoveController.cs b/Assets/Scripts/MoveController.cs
index 4c45b91..625e1fc 100644
--- a/Assets/Scripts/MoveController.cs
+++ b/Assets/Scripts/MoveController.cs
@@ -55,6 +55,7 @@ public class MoveController : MonoBehaviour
                     hit = hits[h];
                 }
             }
+            // hit.collider.gameObject
 
             float slopeAngle = Vector3.Angle(hit.normal, Vector3.up);
             if (i == 0 && slopeAngle <= maxClimbAngle) {
diff --git a/blender/spike.blend b/blender/spike.blend
new file mode 100644
index 0000000..b89e2a6
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