In February's "Magic Spells" article an ostensibly new spelling magic effect was offered. At the 9th Gather for Gardner in Atlanta last March magician Mark Setteducati recalled a Bob Hummer trick that was similar.
"Magic Spells -- Round Two,"
Word Ways: Vol. 43
, Article 15.
Available at: https://digitalcommons.butler.edu/wordways/vol43/iss2/15