diff --git a/src/engine/objects/Bat.cpp b/src/engine/objects/Bat.cpp
index 764476064..2056a17f7 100644
--- a/src/engine/objects/Bat.cpp
+++ b/src/engine/objects/Bat.cpp
@@ -1,6 +1,7 @@
 #include "Bat.h"
 #include "World.h"
 #include "CoreMath.h"
+#include "port/interpolation/FrameInterpolation.h"
 
 extern "C" {
 #include "render_objects.h"
@@ -113,6 +114,8 @@ void OBat::Draw(s32 cameraId) {
     D_80183E80[2] = gObjectList[objectIndex].orientation[2];
     if ((D_8018CFB0 != 0) || (D_8018CFC8 != 0)) {
         for (var_s2 = 0; var_s2 < 40; var_s2++) {
+            // @port: Tag the transform.
+            FrameInterpolation_RecordOpenChild("Bat set 1", var_s2);
             objectIndex = gObjectParticle2[var_s2];
             if (objectIndex == -1) {
                 continue;
@@ -124,10 +127,14 @@ void OBat::Draw(s32 cameraId) {
                 func_800431B0(gObjectList[objectIndex].pos, D_80183E80, gObjectList[objectIndex].sizeScaling,
                               (Vtx*)D_0D0062B0);
             }
+            // @port Pop the transform id.
+            FrameInterpolation_RecordCloseChild();
         }
     }
     if ((D_8018CFE8 != 0) || (D_8018D000 != 0)) {
         for (var_s2 = 0; var_s2 < 30; var_s2++) {
+            // @port: Tag the transform.
+            FrameInterpolation_RecordOpenChild("Bat set 2", var_s2);
             objectIndex = gObjectParticle3[var_s2];
             if (objectIndex == -1) {
                 continue;
@@ -139,6 +146,8 @@ void OBat::Draw(s32 cameraId) {
                 func_800431B0(gObjectList[objectIndex].pos, D_80183E80, gObjectList[objectIndex].sizeScaling,
                               (Vtx*)D_0D0062B0);
             }
+            // @port Pop the transform id.
+            FrameInterpolation_RecordCloseChild();
         }
     }
     gSPTexture(gDisplayListHead++, 0x0001, 0x0001, 0, G_TX_RENDERTILE, G_OFF);
diff --git a/src/engine/objects/Boos.cpp b/src/engine/objects/Boos.cpp
index 5bdbd41cf..69bb95072 100644
--- a/src/engine/objects/Boos.cpp
+++ b/src/engine/objects/Boos.cpp
@@ -1,6 +1,7 @@
 #include "Boos.h"
 #include "World.h"
 #include "CoreMath.h"
+#include "port/interpolation/FrameInterpolation.h"
 
 extern "C" {
 #include "render_objects.h"
@@ -82,6 +83,8 @@ void OBoos::Draw(s32 cameraId) {
     s32 objectIndex;
 
     for (size_t i = 0; i < _numBoos; i++) {
+        // @port: Tag the transform.
+        FrameInterpolation_RecordOpenChild("Boo", i);
         objectIndex = _indices[i]; //indexObjectList3[i];
         if (gObjectList[objectIndex].state >= 2) {
             temp_s2 = func_8008A364(objectIndex, cameraId, 0x4000U, 0x00000320);
@@ -92,6 +95,8 @@ void OBoos::Draw(s32 cameraId) {
                 func_800523B8(objectIndex, cameraId, temp_s2);
             }
         }
+        // @port Pop the transform id.
+        FrameInterpolation_RecordCloseChild();
     }
 }
 
diff --git a/src/engine/objects/TrashBin.cpp b/src/engine/objects/TrashBin.cpp
index c94d0352f..e721f299c 100644
--- a/src/engine/objects/TrashBin.cpp
+++ b/src/engine/objects/TrashBin.cpp
@@ -3,6 +3,7 @@
 #include "TrashBin.h"
 #include "World.h"
 #include "port/Game.h"
+#include "port/interpolation/FrameInterpolation.h"
 
 extern "C" {
 #include "main.h"
@@ -62,11 +63,18 @@ void OTrashBin::Draw(s32 cameraId) {
             Mat4 mtx;
             Vec3f Pos = { _pos.x + 63, _pos.y + 12, _pos.z + 25 };
             Vec3s Rot = { 0, 0x4000, 0 };
+
+            // @port: Tag the transform.
+            FrameInterpolation_RecordOpenChild("Bin", mtx);
+
             mtxf_pos_rotation_xyz(mtx, Pos, Rot);
             //mtxf_scale(mtx, 1.0f);
             if (render_set_position(mtx, 0) != 0) {
                 gSPDisplayList(gDisplayListHead++, BinMod);
             }
+
+            // @port Pop the transform id.
+            FrameInterpolation_RecordCloseChild();
         }
     }
 }