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diff --git a/Assets/Samples/XR Interaction Toolkit/3.1.2/Starter Assets/Scripts/RotationAxisLockGrabTransformer.cs b/Assets/Samples/XR Interaction Toolkit/3.1.2/Starter Assets/Scripts/RotationAxisLockGrabTransformer.cs
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+++ b/Assets/Samples/XR Interaction Toolkit/3.1.2/Starter Assets/Scripts/RotationAxisLockGrabTransformer.cs
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+using UnityEngine.XR.Interaction.Toolkit.Interactables;
+using UnityEngine.XR.Interaction.Toolkit.Transformers;
+
+namespace UnityEngine.XR.Interaction.Toolkit.Samples.StarterAssets
+{
+    /// <summary>
+    /// An XR grab transformer that allows for the locking of specific rotation axes. When an object is grabbed and manipulated,
+    /// this class ensures that rotations are only applied to the specified axes, preserving the initial rotation for the others.
+    /// </summary>
+    public class RotationAxisLockGrabTransformer : XRBaseGrabTransformer
+    {
+        [SerializeField]
+        [Tooltip("Defines which rotation axes are allowed when an object is grabbed. Axes not selected will maintain their initial rotation.")]
+        XRGeneralGrabTransformer.ManipulationAxes m_PermittedRotationAxis = XRGeneralGrabTransformer.ManipulationAxes.All;
+
+        /// <inheritdoc />
+        protected override RegistrationMode registrationMode => RegistrationMode.SingleAndMultiple;
+
+        Vector3 m_InitialEulerRotation;
+
+        /// <inheritdoc />
+        public override void OnLink(XRGrabInteractable grabInteractable)
+        {
+            base.OnLink(grabInteractable);
+            m_InitialEulerRotation = grabInteractable.transform.rotation.eulerAngles;
+        }
+
+        /// <inheritdoc />
+        public override void Process(XRGrabInteractable grabInteractable, XRInteractionUpdateOrder.UpdatePhase updatePhase, ref Pose targetPose, ref Vector3 localScale)
+        {
+            Vector3 newRotationEuler = targetPose.rotation.eulerAngles;
+
+            if ((m_PermittedRotationAxis & XRGeneralGrabTransformer.ManipulationAxes.X) == 0)
+                newRotationEuler.x = m_InitialEulerRotation.x;
+
+            if ((m_PermittedRotationAxis & XRGeneralGrabTransformer.ManipulationAxes.Y) == 0)
+                newRotationEuler.y = m_InitialEulerRotation.y;
+
+            if ((m_PermittedRotationAxis & XRGeneralGrabTransformer.ManipulationAxes.Z) == 0)
+                newRotationEuler.z = m_InitialEulerRotation.z;
+
+            targetPose.rotation = Quaternion.Euler(newRotationEuler);
+        }
+    }
+}