diff --git a/Example/CustomizedCropToolbar.swift b/Example/CustomizedCropToolbar.swift
index fcc4d499..e24fae6f 100644
--- a/Example/CustomizedCropToolbar.swift
+++ b/Example/CustomizedCropToolbar.swift
@@ -88,15 +88,15 @@ class CustomizedCropToolbar: UIView, CropToolbarProtocol {
     }
             
     @objc private func crop() {
-        cropToolbarDelegate?.didSelectCrop()
+        cropToolbarDelegate?.didSelectCrop(self)
     }
     
     @objc private func cancel() {
-        cropToolbarDelegate?.didSelectCancel()
+        cropToolbarDelegate?.didSelectCancel(self)
     }
     
     @objc private func showRatioList() {
-        cropToolbarDelegate?.didSelectSetRatio()
+        cropToolbarDelegate?.didSelectSetRatio(self)
     }
     
     private func createOptionButton(withTitle title: String?, andAction action: Selector) -> UIButton {
diff --git a/Example/CustomizedCropToolbarWithoutList.swift b/Example/CustomizedCropToolbarWithoutList.swift
index 080b86f7..5f41d831 100644
--- a/Example/CustomizedCropToolbarWithoutList.swift
+++ b/Example/CustomizedCropToolbarWithoutList.swift
@@ -92,19 +92,19 @@ class CustomizedCropToolbarWithoutList: UIView, CropToolbarProtocol {
     }
     
     @objc private func crop() {
-        cropToolbarDelegate?.didSelectCrop()
+        cropToolbarDelegate?.didSelectCrop(self)
     }
     
     @objc private func cancel() {
-        cropToolbarDelegate?.didSelectCancel()
+        cropToolbarDelegate?.didSelectCancel(self)
     }
     
     @objc private func setPortraitRatio() {
-        cropToolbarDelegate?.didSelectRatio(ratio: 9 / 16)
+        cropToolbarDelegate?.didSelectRatio(self, ratio: 9 / 16)
     }
     
     @objc private func setLandscapeRatio() {
-        cropToolbarDelegate?.didSelectRatio(ratio: 16 / 9)
+        cropToolbarDelegate?.didSelectRatio(self, ratio: 16 / 9)
     }
     
     private func createOptionButton(withTitle title: String?, andAction action: Selector) -> UIButton {
diff --git a/Example/MyNavigationCropToolbar.swift b/Example/MyNavigationCropToolbar.swift
index c50e64a1..38544171 100644
--- a/Example/MyNavigationCropToolbar.swift
+++ b/Example/MyNavigationCropToolbar.swift
@@ -45,14 +45,14 @@ class MyNavigationCropToolbar: UIView, CropToolbarProtocol {
     }
     
     @objc func crop() {
-        cropToolbarDelegate?.didSelectCrop()
+        cropToolbarDelegate?.didSelectCrop(self)
     }
     
     @objc func cancel() {
-        cropToolbarDelegate?.didSelectCancel()
+        cropToolbarDelegate?.didSelectCancel(self)
     }
     
     @objc func rotate() {
-        cropToolbarDelegate?.didSelectClockwiseRotate()
+        cropToolbarDelegate?.didSelectClockwiseRotate(self)
     }
 }
diff --git a/Sources/Mantis/CropViewController/CropToolbar.swift b/Sources/Mantis/CropViewController/CropToolbar.swift
index cac34323..ebb06db7 100644
--- a/Sources/Mantis/CropViewController/CropToolbar.swift
+++ b/Sources/Mantis/CropViewController/CropToolbar.swift
@@ -203,39 +203,39 @@ public class CropToolbar: UIView, CropToolbarProtocol {
 // Objc functions
 extension CropToolbar {
     @objc private func cancel() {
-        cropToolbarDelegate?.didSelectCancel()
+        cropToolbarDelegate?.didSelectCancel(self)
     }
 
     @objc private func setRatio() {
-        cropToolbarDelegate?.didSelectSetRatio()
+        cropToolbarDelegate?.didSelectSetRatio(self)
     }
 
     @objc private func reset(_ sender: Any) {
-        cropToolbarDelegate?.didSelectReset()
+        cropToolbarDelegate?.didSelectReset(self)
     }
 
     @objc private func counterClockwiseRotate(_ sender: Any) {
-        cropToolbarDelegate?.didSelectCounterClockwiseRotate()
+        cropToolbarDelegate?.didSelectCounterClockwiseRotate(self)
     }
 
     @objc private func clockwiseRotate(_ sender: Any) {
-        cropToolbarDelegate?.didSelectClockwiseRotate()
+        cropToolbarDelegate?.didSelectClockwiseRotate(self)
     }
 
     @objc private func alterCropper90Degree(_ sender: Any) {
-        cropToolbarDelegate?.didSelectAlterCropper90Degree()
+        cropToolbarDelegate?.didSelectAlterCropper90Degree(self)
     }
     
     @objc private func horizontallyFlip(_ sender: Any) {
-        cropToolbarDelegate?.didSelectHorizontallyFlip()
+        cropToolbarDelegate?.didSelectHorizontallyFlip(self)
     }
 
     @objc private func verticallyFlip(_ sender: Any) {
-        cropToolbarDelegate?.didSelectVerticallyFlip()
+        cropToolbarDelegate?.didSelectVerticallyFlip(self)
     }
 
     @objc private func crop(_ sender: Any) {
-        cropToolbarDelegate?.didSelectCrop()
+        cropToolbarDelegate?.didSelectCrop(self)
     }
 }
 
diff --git a/Sources/Mantis/CropViewController/CropToolbarProtocol.swift b/Sources/Mantis/CropViewController/CropToolbarProtocol.swift
index b93b0c7b..8777b79b 100644
--- a/Sources/Mantis/CropViewController/CropToolbarProtocol.swift
+++ b/Sources/Mantis/CropViewController/CropToolbarProtocol.swift
@@ -11,16 +11,16 @@ import UIKit
     Inside Mantis, CropViewController implements all delegate methods 
  */
 public protocol CropToolbarDelegate: AnyObject {
-    func didSelectCancel()
-    func didSelectCrop()
-    func didSelectCounterClockwiseRotate()
-    func didSelectClockwiseRotate()
-    func didSelectReset()
-    func didSelectSetRatio()
-    func didSelectRatio(ratio: Double)
-    func didSelectAlterCropper90Degree()
-    func didSelectHorizontallyFlip()
-    func didSelectVerticallyFlip()
+    func didSelectCancel(_ cropToolbar: CropToolbarProtocol)
+    func didSelectCrop(_ cropToolbar: CropToolbarProtocol)
+    func didSelectCounterClockwiseRotate(_ cropToolbar: CropToolbarProtocol)
+    func didSelectClockwiseRotate(_ cropToolbar: CropToolbarProtocol)
+    func didSelectReset(_ cropToolbar: CropToolbarProtocol)
+    func didSelectSetRatio(_ cropToolbar: CropToolbarProtocol)
+    func didSelectRatio(_ cropToolbar: CropToolbarProtocol, ratio: Double)
+    func didSelectAlterCropper90Degree(_ cropToolbar: CropToolbarProtocol)
+    func didSelectHorizontallyFlip(_ cropToolbar: CropToolbarProtocol)
+    func didSelectVerticallyFlip(_ cropToolbar: CropToolbarProtocol)
 }
 
 public protocol CropToolbarIconProvider: AnyObject {
diff --git a/Sources/Mantis/CropViewController/CropViewController.swift b/Sources/Mantis/CropViewController/CropViewController.swift
index bebcee0e..5142d308 100644
--- a/Sources/Mantis/CropViewController/CropViewController.swift
+++ b/Sources/Mantis/CropViewController/CropViewController.swift
@@ -525,43 +525,43 @@ extension CropViewController: CropViewDelegate {
 }
 
 extension CropViewController: CropToolbarDelegate {
-    public func didSelectHorizontallyFlip() {
+    public func didSelectHorizontallyFlip(_ cropToolbar: CropToolbarProtocol) {
         handleHorizontallyFlip()
     }
     
-    public func didSelectVerticallyFlip() {
+    public func didSelectVerticallyFlip(_ cropToolbar: CropToolbarProtocol) {
         handleVerticallyFlip()
     }
     
-    public func didSelectCancel() {
+    public func didSelectCancel(_ cropToolbar: CropToolbarProtocol) {
         handleCancel()
     }
     
-    public func didSelectCrop() {
+    public func didSelectCrop(_ cropToolbar: CropToolbarProtocol) {
         handleCrop()
     }
     
-    public func didSelectCounterClockwiseRotate() {
+    public func didSelectCounterClockwiseRotate(_ cropToolbar: CropToolbarProtocol) {
         handleRotate(rotateAngle: -CGFloat.pi / 2)
     }
     
-    public func didSelectClockwiseRotate() {
+    public func didSelectClockwiseRotate(_ cropToolbar: CropToolbarProtocol) {
         handleRotate(rotateAngle: CGFloat.pi / 2)
     }
     
-    public func didSelectReset() {
+    public func didSelectReset(_ cropToolbar: CropToolbarProtocol) {
         handleReset()
     }
     
-    public func didSelectSetRatio() {
+    public func didSelectSetRatio(_ cropToolbar: CropToolbarProtocol) {
         handleSetRatio()
     }
     
-    public func didSelectRatio(ratio: Double) {
+    public func didSelectRatio(_ cropToolbar: CropToolbarProtocol, ratio: Double) {
         setFixedRatio(ratio)
     }
     
-    public func didSelectAlterCropper90Degree() {
+    public func didSelectAlterCropper90Degree(_ cropToolbar: CropToolbarProtocol) {
         handleAlterCropper90Degree()
     }    
 }