"bloc" ??? edit

I don't think that's matches the text. One of them's right; the other is wrong.Light Peak (talk) 23:58, 11 July 2013 (UTC)Reply


Any side effects? edit

Are there any side effects of this tool? Can it lead to some sort of jaw injury? BioChemEditor (talk) 17:31, 25 April 2021 (UTC)Reply

Needs info on the actual physical construction shape, how is it made? edit

If there are "twin blocks" what do these blocks do and how are they positioned? etc. Equinox 03:26, 26 June 2023 (UTC)Reply