twisting the aces

A long while ago, I wrote a blog post about three different presentations for Dai Vernon's classic packet trick "Twisting the Aces". I briefly described each approach and included bare-bones scripts, but didn't bother to write up the full handling. Well, I've now put that right and written up...

Considering visual Twisting the Aces routines, which would you prefer? What are the advantages and disadvantages of both? The powerfulness of the effects? Which needs more setup? Difficulty has never deterred me, but what regarding the sleights? Obviously I do not require a revelation of the...