Tada! |
After letting some bottles soak in my tub....
.... and still no success, this is the best method I've found so far.
*CAUTION*
Please be careful when doing this. Those bottles get hot fast! I used an oven mitt and a towel and sometimes they were still a little too warm for me to hang on to. Also make sure the bottles are completely empty of any liquid. You don't want to have it boiling up inside a bottle only to pull the bottle out of the oven and pour steaming liquid on your little toes.
And out of about 2 dozen, I did have one that just shattered on me. You should probably wear some eye protection. Luckily I heard this one cracking and set it down before it completely broke in two.