diff --git a/src/ZodSchemaClass.ts b/src/ZodSchemaClass.ts
index 94b84e5..c13f9d6 100644
--- a/src/ZodSchemaClass.ts
+++ b/src/ZodSchemaClass.ts
@@ -16,9 +16,9 @@ export function ZodSchemaClass<
     Values        extends object,
     PartialValues extends Partial<Values>,
 >(
-    schema: z.ZodObject<T, "strip", Catchall, Values, PartialValues>
+    schemaWithDefaults: z.ZodObject<T, "strip", Catchall, Values, PartialValues>
 ) {
     return expression
         .extends(ZodSchemaObjectConstructor<Values>)
-        .expresses(ZodSchemaObject(schema))
+        .expresses(ZodSchemaObject(schemaWithDefaults))
 }
diff --git a/src/traits/ExtendableZodSchemaObject.ts b/src/traits/ExtendableZodSchemaObject.ts
index 0fc0891..c89c66d 100644
--- a/src/traits/ExtendableZodSchemaObject.ts
+++ b/src/traits/ExtendableZodSchemaObject.ts
@@ -1,16 +1,19 @@
-// import { trait } from "@thilawyn/traitify-ts"
-// import { ZodSchemaClassExtender } from "../builders/ZodSchemaClassExtender"
-// import { ZodSchemaClass } from "../shapes/ZodSchemaClass"
+import { expression } from "@thilawyn/traitify-ts"
+import { z } from "zod"
+import { ZodSchemaObject } from "./ZodSchemaObject"
 
 
-// export const ExtendableZodSchemaObject = trait
-//     .implement(Super => class ExtendableZodSchemaObject extends Super {
-//         static extend<
-//             Self extends ZodSchemaClass<any, any, any, any, any, any, any, any, any>,
-//         >(
-//             this: Self
-//         ) {
-//             return new ZodSchemaClassExtender(this, this)
-//         }
-//     })
-//     .build()
+export const ExtendableZodSchemaObject = <
+    T             extends z.ZodRawShape,
+    Catchall      extends z.ZodTypeAny,
+    Values        extends object,
+    PartialValues extends Partial<Values>,
+>(
+    schemaWithDefaults: z.ZodObject<T, "strip", Catchall, Values, PartialValues>,
+) => expression
+    .expresses(ZodSchemaObject(schemaWithDefaults))
+    .buildAnyway()
+    .subtrait()
+        .implement(Super => class ExtendableZodSchemaObject extends Super {
+        })
+        .build()
diff --git a/src/traits/ZodSchemaObject.ts b/src/traits/ZodSchemaObject.ts
index 54a3601..850121f 100644
--- a/src/traits/ZodSchemaObject.ts
+++ b/src/traits/ZodSchemaObject.ts
@@ -1,5 +1,5 @@
 import { ImplStatic, trait } from "@thilawyn/traitify-ts"
-import { AbstractClass, Class, HasRequiredKeys } from "type-fest"
+import { Class, HasRequiredKeys } from "type-fest"
 import { z } from "zod"
 import { StaticMembers, parseZodSchemaEffect, stripZodObjectDefaults } from "../util"
 
@@ -85,13 +85,24 @@ export const ZodSchemaObject = <
             }
 
 
-            static extend<
-                Self extends AbstractClass<ZodSchemaObject> & ImplStatic<typeof ZodSchemaObject>
-            >(
-                this: Self
-            ) {
+            // static extend<
+            //     Self                  extends AbstractClass<ZodSchemaObject> & ImplStatic<typeof ZodSchemaObject>,
 
-            }
+            //     ExtendedT             extends z.ZodRawShape,
+            //     ExtendedCatchall      extends z.ZodTypeAny,
+            //     ExtendedValues        extends Values,
+            //     ExtendedPartialValues extends Partial<ExtendedValues>,
+            // >(
+            //     this: Self,
+
+            //     schemaWithDefaults: (
+            //         schemaWithDefaults: typeof this.schemaWithDefaults
+            //     ) => z.ZodObject<ExtendedT, "strip", ExtendedCatchall, ExtendedValues, ExtendedPartialValues>,
+            // ) {
+            //     return expression
+            //         .extends(this)
+            //         .expresses(ZodSchemaObject(schemaWithDefaults(this.schemaWithDefaults)))
+            // }
         }
 
         return ZodSchemaObject as Class<ZodSchemaObject & Values> & StaticMembers<typeof ZodSchemaObject>