          150.0  : 0.1]           // 150-  *pt ⇒  10%
      ```
      */
-    var scrubbingSpeeds: [CGFloat:Float] =
+    public var scrubbingSpeeds: [CGFloat:Float] =
         [0.0:1.0, 50.0:0.5, 100.0:0.25, 150.0:0.1] {
         didSet {
             if scrubbingSpeeds[0.0] != 1.0 {

     Current scrubbing speed. If `UIControl`'s `tracking` is `NO`,
     the return value will be `1.0`
     */
    var currentSpeed: Float {
        get { return _scrubbingSpeed.speed }
    }
    

    /**
     The delegate of scrubber object, confoms to `DetailScrubberDelegate` protocol.
     */
    public var delegate:DetailScrubberDelegate?
    
    /**
     Holds the scrubbing speeds as value for the Y-Offsets as keys.
