Like the “Foilmount” any “chemical” solution based on surface mount plates relies 1- on the glue quality 2 - on the skin quality it is stuck to. The following “mechanical” method has been around for decades:
https://boardlady.org/handleinserts.htm
By the way: the board lady website is a golden mine for anybody interested in board materials along with shape and repair techniques. This site must be read from beginning to end as the author has been repairing all sorts of boards (5920+) from 1980 to 2010.
https://boardlady.org/repairmenu.htm