У вашего броузера проблема в совместимости с HTML5
The pin tool in KineMaster gives you greater control of the layers on your timeline. Normally layers hold their position relative to the primary timeline, but with the pin activated, a layer will stick to a specific point in time.
Watch the video to see how it works, then check out my other KineMaster tutorials at http://www.visionarydigitalmedia.com.