Rename clip on playlist

Again again again
When?

  1. I want create subclip from timeline, add to playlist and create name (rename clip). Add search box to playlist too.
  2. Why i can not copy and paste part of clip from one sesion shotcut to other ?
    Example open two sessions shotcut, copy part clip from 1 to 2 not working.
    Shotcut version 17.09.04

Sorry for my Eng.