Tag looks in parent

Assets/Scripts/BoatController.cs

@@ -101,7 +101,7 @@ public class BoatController : MonoBehaviour
 
     public void OnCollisionEnter(Collision collision)
     {
-        if (collision.gameObject.CompareTag("Obstacle"))
+        if (collision.gameObject.isTagInParent("Obstacle"))
         {
 
             Debug.Log($"Hitting: {collision.gameObject} Foce: {collision.impulse * ObstacleBounce}");

Assets/Scripts/Utility/GameObjectExtension.cs

@@ -0,0 +1,29 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using NaughtyAttributes;
+
+
+/// <summary>
+/// 
+/// </summary>
+public static class GameObjectExtension
+{
+
+    public static bool isTagInParent(this GameObject go, string tag)
+    {
+        Transform current = go.transform;
+        while (current != null)
+        {
+            if (current.gameObject.CompareTag(tag))
+                return true;
+
+            current = current.parent;
+        }
+
+        return false;
+    }
+
+
+
+}

Assets/Scripts/Utility/GameObjectExtension.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 372b54ac7f1e6564993301c9b3a0cb22
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: