One of the downsides of the baking soda and aluminum method I've discovered is that when you clean some of these old razors you find things you didn't notice before; like that large split down the barrel on one 
So I happen to have two Single Rings, one with a split barrel and one with broken teeth. The obvious solution is to remove the barrel and swap them over.
Has anybody done this and are there any hints?

So I happen to have two Single Rings, one with a split barrel and one with broken teeth. The obvious solution is to remove the barrel and swap them over.
Has anybody done this and are there any hints?