diff --git a/gstreamer/src/lib.rs b/gstreamer/src/lib.rs
index ae35f5b8c..dc2a962a3 100644
--- a/gstreamer/src/lib.rs
+++ b/gstreamer/src/lib.rs
@@ -209,6 +209,7 @@ mod control_binding;
 mod control_source;
 mod parse_context;
 mod proxy_pad;
+pub use proxy_pad::ProxyPadExtManual;
 mod tag_setter;
 pub use bin::GstBinExtManual;
 pub use element::{ElementExtManual, ElementMessageType, NotifyWatchId};
@@ -370,6 +371,7 @@ pub mod prelude {
     pub use pipeline::GstPipelineExtManual;
     pub use plugin::GstPluginExtManual;
     pub use plugin_feature::PluginFeatureExtManual;
+    pub use proxy_pad::ProxyPadExtManual;
     pub use tag_setter::TagSetterExtManual;
     pub use typefind::TypeFindImpl;
     pub use value::GstValueExt;
diff --git a/gstreamer/src/proxy_pad.rs b/gstreamer/src/proxy_pad.rs
index 457aa643b..ffce3c00b 100644
--- a/gstreamer/src/proxy_pad.rs
+++ b/gstreamer/src/proxy_pad.rs
@@ -21,16 +21,42 @@ use glib::translate::{from_glib, from_glib_full, ToGlibPtr};
 
 use gst_sys;
 
-impl ProxyPad {
-    pub fn chain_default<O: IsA<ProxyPad>, P: IsA<Object>>(
-        pad: &O,
+pub trait ProxyPadExtManual: 'static {
+    fn chain_default<P: IsA<Object>>(
+        &self,
+        parent: Option<&P>,
+        buffer: Buffer,
+    ) -> Result<FlowSuccess, FlowError>;
+
+    fn chain_list_default<P: IsA<Object>>(
+        &self,
+        parent: Option<&P>,
+        list: BufferList,
+    ) -> Result<FlowSuccess, FlowError>;
+
+    fn getrange_default<P: IsA<Object>>(
+        &self,
+        parent: Option<&P>,
+        offset: u64,
+        size: u32,
+    ) -> Result<Buffer, FlowError>;
+
+    fn iterate_internal_links_default<P: IsA<Object>>(
+        &self,
+        parent: Option<&P>,
+    ) -> Option<::Iterator<Pad>>;
+}
+
+impl<O: IsA<ProxyPad>> ProxyPadExtManual for O {
+    fn chain_default<P: IsA<Object>>(
+        &self,
         parent: Option<&P>,
         buffer: Buffer,
     ) -> Result<FlowSuccess, FlowError> {
         skip_assert_initialized!();
         let ret: FlowReturn = unsafe {
             from_glib(gst_sys::gst_proxy_pad_chain_default(
-                pad.as_ptr() as *mut gst_sys::GstPad,
+                self.as_ptr() as *mut gst_sys::GstPad,
                 parent.map(|p| p.as_ref()).to_glib_none().0,
                 buffer.into_ptr(),
             ))
@@ -38,15 +64,15 @@ impl ProxyPad {
         ret.into_result()
     }
 
-    pub fn chain_list_default<O: IsA<ProxyPad>, P: IsA<Object>>(
-        pad: &O,
+    fn chain_list_default<P: IsA<Object>>(
+        &self,
         parent: Option<&P>,
         list: BufferList,
     ) -> Result<FlowSuccess, FlowError> {
         skip_assert_initialized!();
         let ret: FlowReturn = unsafe {
             from_glib(gst_sys::gst_proxy_pad_chain_list_default(
-                pad.as_ptr() as *mut gst_sys::GstPad,
+                self.as_ptr() as *mut gst_sys::GstPad,
                 parent.map(|p| p.as_ref()).to_glib_none().0,
                 list.into_ptr(),
             ))
@@ -54,8 +80,8 @@ impl ProxyPad {
         ret.into_result()
     }
 
-    pub fn getrange_default<O: IsA<ProxyPad>, P: IsA<Object>>(
-        pad: &O,
+    fn getrange_default<P: IsA<Object>>(
+        &self,
         parent: Option<&P>,
         offset: u64,
         size: u32,
@@ -64,7 +90,7 @@ impl ProxyPad {
         unsafe {
             let mut buffer = ptr::null_mut();
             let ret: FlowReturn = from_glib(gst_sys::gst_proxy_pad_getrange_default(
-                pad.as_ptr() as *mut gst_sys::GstPad,
+                self.as_ptr() as *mut gst_sys::GstPad,
                 parent.map(|p| p.as_ref()).to_glib_none().0,
                 offset,
                 size,
@@ -74,14 +100,14 @@ impl ProxyPad {
         }
     }
 
-    pub fn iterate_internal_links_default<O: IsA<ProxyPad>, P: IsA<Object>>(
-        pad: &O,
+    fn iterate_internal_links_default<P: IsA<Object>>(
+        &self,
         parent: Option<&P>,
     ) -> Option<::Iterator<Pad>> {
         skip_assert_initialized!();
         unsafe {
             from_glib_full(gst_sys::gst_proxy_pad_iterate_internal_links_default(
-                pad.as_ptr() as *mut gst_sys::GstPad,
+                self.as_ptr() as *mut gst_sys::GstPad,
                 parent.map(|p| p.as_ref()).to_glib_none().0,
             ))
         }