ORIGINAL: suzanne
.... In fact, it dramatically alters the bottle forever by removing the top layer of glass along with any interesting textures and characteristics. The trick to cleaning is to leave as much original surface in good condition as possible. People who are experienced tumblers can do that.
The reason I brought it up is because I suspect some people out there beleive that tumbling removes a lot of glass.ORIGINAL: andy volkerts
Very miniscule, perhaps a quarter of a thousandth of an inch, unless you leave the bottle in too long.
ORIGINAL: chosi
Before anyone asks...
I wouldn't normally tumble a bottle with a broken lip, especially one with glass as sick as this one.
The reason I tumbled it is because it's my only bottle with a "cigar-band" slug-plate, and I really wanted to show off the slug plate on my web site. You couldn't see the slug-plate before I tumbled it.
Here's a before photo: