That's very tedious, but probably the least damaging to the piece.

I use 99% which I apply from the top with an all plastic syringe. I let it sit for about 5 minutes, then I add a little more and let it sit for another couple.

When the glue is soft enough I peel back the base. Any stubborn spots I spray with a mist of alcohol as I go along.

All of this will be detailed in the eBook and on the DVD. I basically have the eBook completed, but I am going to wait until the DVD is released in case I find something else that needs to be added.