A part of a channel's training mentioned in Mahogany Trinrose, and an important part of a channel's skills during Transfer. (From Mahogany Trinrose Ch 3) Spoken by Im'ran..”'The ability to relinquish control of a transfer to your Donor on signal, without warning, instantly. Or, conversely, to pick up that control if your Donor loses it. The same basic skill lets you control your secondary system to collect Selyn from untrained Gen."