AM - FAILSAFE

This is a reliable principle that will transform your iPhone into a secret weapon and will allow you to perform a ton of MENTALISM effects COMPLETELY IMPROMPTU!

Perform:

Ultra Clean Book Test using any iBook/PDF.
Name Divination.
Thought of a song.
Memory Reveals.

And much more without the internet and any magic apps!
This principle can be customized to your own comfort and can be used in any IMPROMPTU situation to produce CLEAN, DIRECT, and POWERFUL effects.

NOTE: You need an iPhone with iOS 14.5 or higher.