 		The track is the horizontal line on which the thumbs slide
 	*/
 
-	@IBInspectable var trackLayerHeight: CGFloat = 1.0 {
+	@IBInspectable public var trackLayerHeight: CGFloat = 1.0 {
 		didSet {
 			var trackFrame = trackLayer.frame
 			trackFrame.origin.y = (bounds.size.height - trackLayerHeight)/2

		The property can have value from 0 to 1.
	*/

	@IBInspectable var thumbCurvaceousness: CGFloat = 1.0 {
		didSet {
			if thumbCurvaceousness < 0.0 {
				thumbCurvaceousness = 0.0

		The default color is #007AFF (rgba = 0, 122, 255, 1)
	*/

	@IBInspectable public var thumbTintColor: UIColor = UIColor.whiteColor() {
		didSet {
			lowerThumbLayer.tintColor = thumbTintColor
			upperThumbLayer.tintColor = thumbTintColor
