Step 1: Load Rock(s) to Personal Backlog. Just as you add Rocks to Daily I.Liv. Plan, you can simply add a rock to your Backlog at any time.
For each Rock simply:
(Optional) Step 2: Mark as Recurring
If you want the Rock to persist in the Backlog even once loaded to a Daily I.Liv. Plan, mark as Recurring Rock when creating it.
Step 3: Load Backlog Rocks to Daily I.Liv. Plan
Once a Rock is loaded in the Backlog, you can simply pull it into a Daily I.Liv. Plan at any time.