User blog comment:ReverseZoom101/Poor Barry.../@comment-3423279-20160606144920/@comment-3423279-20160609080505

RF put that ring on Barry to taunt him, saying "I have my power and can do anything to hurt you."

That was a part of the comics, with Barry suddenly getting the ring and using it with a RF suit coming out and saying this is Thawne taunting him.