diff --git a/clusters/tool.json b/clusters/tool.json
index 52278ab..8ee717e 100644
--- a/clusters/tool.json
+++ b/clusters/tool.json
@@ -147,6 +147,34 @@
             "estimative-language:likelihood-probability=\"likely\""
           ],
           "type": "used-by"
+        },
+        {
+          "dest-uuid": "4e104fef-8a2c-4679-b497-6e86d7d47db0",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        },
+        {
+          "dest-uuid": "b42378e0-f147-496f-992a-26a49705395b",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        },
+        {
+          "dest-uuid": "7789fc1b-3cbc-4a1c-8ef0-8b06760f93e7",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
+        },
+        {
+          "dest-uuid": "e336aeba-b61a-44e0-a0df-cd52a5839db5",
+          "tags": [
+            "estimative-language:likelihood-probability=\"likely\""
+          ],
+          "type": "similar"
         }
       ],
       "uuid": "2abe89de-46dd-4dae-ae22-b49a593aff54",