I've been a #Kdenlive user for a long time. Here's a screenshot of me editing video in 2011.
Here's the link to the video:
https://youtu.be/vxaBKi5v678
Here's the link to the video:
https://youtu.be/vxaBKi5v678
Clone Effect in Kdenlive
The main tool used in Kdenlive to create the clone effect is the retroscope (Added in Kdenlive 0.8). There is other ways to do this, but few are as versatil...YouTube