What about the Parts of the Book of Hebrews That Seem to Say It's Possible to Lose Salvation?

https://www.godtube.com/resource/mediaplayer/k6k6kpnx.mp4;https://content.swncdn.com/godtube/2012/01/10/373738-004.jpg;https://www.godtube.com/watch/?v=K6K6KPNX