Unselecting tpin to clip doesn't prevent accidentally losing your keyframe after you adjust the clip

[Evelyn___]

An influencer from instagram told me this, and I tried it, but it doesn't work. 

https://www.instagram.com/p/C6JXDp6CR74/

[Peru Bob]

You may need to increase the horizontal size of the Effects Control Panel timeline or zoom in to it.

It does work.  I use it often.