As far as we know (well, rather as I thinck we know of, although there are many "teks" claiming to convert it), there is no proven way in kitchen chemistry than the conversion from LSA into LSH actually occurs.
That being said you may find useful information to try a few experiement there:
https://www.dmt-nexus.me....aspx?g=topics&f=37
Smell like tea n,n spirit !
Toke the toke, and walk the walk !