Board Thread:Questions and Answers/@comment-28265951-20160421125919/@comment-6284741-20160527174339

Kaestal wrote: Reverse Flash didn't use Time Remnants, he used Speed Mirages because he didn't have a full connection to the Speed Force when we saw him for season one, therefore he couldn't travel through time.

It seems that when making a Time Remnant the Speedster creates a very brief alternate timeline which then becomes defunct after pulling the remnant out of there. But is still preserved due to the necessity of the Speed Force (and the writers) to keep the timeline intact? Thank you this helps so much! Time Remnants were the one thing I didn't understand about the show!