When you say you have a "TROM twin" does that mean you did this in a group with a supervisor?
The repeater technique, did you learn that from Dennis Stephens' books or is it just borrowed from Dianetics?
Did I ever answer you? So sorry. My Trom twin and I only .... we each ran our own session at the same time. The benefit was having someone to be accountable to - to show up and do the do. It was fun.
Repeater tech is a Scio practice Ron mentioned. For example I saw I always got triggered by husband's make wrong that always started with "You used to ...". I proposed we sit across from each other - eyes open - and let me keep repeating "You used to ...". Lots got viewed and timebroken as it flashed by, and finally got equivalent of the ole "floating needle". :-) Having a person across from me kept me enough present while at the same time running not-so-nice scenes.
Also repeater tech is good for some persistent running non-life statement or postulate. For example I knew a lady who was going batty and she kept saying, "I'm going crazy!!!" whenever she was upset. She could have broken the circuitry or fixedness of that postulate running Repeater Tech.