From what I can remember, you hold the bottle over (or in?) boiling water, then drop and small stone in the bottom, and shake/tap it. The bottom will come CLEAN off if done right.
WeedyBoyWonder Reviewed by WeedyBoyWonder on . buckets mainly to the scottish ppl, how dae i take the bottom of a glass bottle off without shatterin it, obv a irn bru bottle or somethin, helps appreciated, cheers Rating: 5