Link to U-Tube w custom start & STOP?
 

I've wasted ton of time trying to make link to video that has custom start & stop points. ATM start is easy, yt site creates the script. But stop (before video end) seems impossible.:( As always web how-to's obsolete, or about embedding, which I'm trying to avoid.

I'm wondering if script to stop play once the link is opened has never been written, maybe unneeded due to popularity of embedding?:confused:

Anyone doing it?