New RBTA - How do I get him to stick?

[Madreefer]

I have put my anemone through 4 tank changes over 8 years and he has stayed in the same spot everytime. I dig a hole in the sand (with my hand) about the size of the foot, placed him in hole and kind of filled in the rest of the hole. Than I put some rocks around it. He did stick to one certain rock the very first time I stuck him in. I use that same rock every tank move. May sound strange but try using the rock he came with, could be some kind of "bonding" thing.