The ageLOC Me Spine and Cassette are necessary parts in order to properly use the ageLOC Me Device. 

Buy 1 Get 2 Free on all remaining ageLOC Me Cartridges and Spine and Cassette. No mix and match option with what cartridges are free. Example, if you choose R1, then you will receive two free R1 cartridges.
Limit of 10 per order.
Begins September 15 at 10 a.m. MT and runs until September 30 at 11:59 p.m. or while supplies last.

All ageLOC Me items are being discontinued in the coming months. All items are available while supplies last.