User blog comment:B214/Question and Answers 6/@comment-3965848-20161130232449/@comment-9595671-20161201072536

Considering she can split them apart, it makes sense she can also recombine them if the situation calls for it. I will admit I haven't noticed a scene past V19 where she's been using it, most likely cause she's not in focus as much since it's the finale of Qlipphoth's threat.