Blotting paper, used to absorb ink or oil from writing materials, particularly when quill or fountain pens were popular
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Desk pad, a table protector used when work such as painting or writing would otherwise damage the table or desk
blotter | Black Blotter |
Since the DEA arrests of the makers of a huge percentage of the United States' LSD in 2000, 5-MeO-AMT may have occasionally been sold under the guise of LSD in liquid, sugar cube, or blotter form, though this may be due to DEA reports of finding it on sugar cubes and blotters like LSD.