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diff --git a/README.md b/README.md
index d20c58a..a755014 100755
--- a/README.md
+++ b/README.md
@@ -60,6 +60,7 @@ UI :
 * font : font family.
 * fontWeight : font weight.
 * bgColor : background color.
+* handle : use knob handler.
 
 Hooks
 -------
@@ -138,6 +139,18 @@ Set the value
         .trigger('change');
 </script>
 ```
+Set the handler
+-------
+
+```html
+<script>

+    $('.knob')(
+        {
+            "handle": true
+        }
+    );
+</script>
+```
 
 Supported browser
 -------
diff --git a/js/jquery.knob.js b/js/jquery.knob.js
index 5294ffa..3031e2c 100644
--- a/js/jquery.knob.js
+++ b/js/jquery.knob.js
@@ -120,6 +120,7 @@
                     inline: false,
                     step: this.$.data('step') || 1,
                     rotation: this.$.data('rotation'),
+                    handle : false,//handle show or hide (true or false) defaulr false
 
                     // Hooks
                     draw: null, // function () {}
@@ -784,6 +785,22 @@
             c.strokeStyle = r ? this.o.fgColor : this.fgColor ;
             c.arc(this.xy, this.xy, this.radius, a.s, a.e, a.d);
             c.stroke();
+            
+            /*Set handle knob*/
+			if(this.o.handle){
+				
+				var indicatorX =(this.xy)+Math.cos(eat + 0.00001)*this.radius;
+				var indicatorY =(this.xy)+Math.sin(eat + 0.00001)*this.radius;
+				
+				c.beginPath();
+				c.arc(indicatorX, indicatorY, this.lineWidth/2, 0, this.PI2, false);
+				c.fillStyle = this.o.fgColor;
+				c.fill();
+				c.lineWidth = 2;
+				c.strokeStyle = this.o.bgColor;
+				c.stroke();
+			}
+			/*Set handle knob*/
         };
 
         this.cancel = function () {
