The explanation is well explained.
The first basic trick you need to force the audience
choosing one color and then choosing any card.
The second basic trick is the audience chose any
card & here it has a negatives and issues, if they chooses the opposite color you need to do some
moves in front of them, it looks too suspicious & awkward, it doesn't look good at all and it
doesn't make any sense, instead of instantly revealing the card , you need to deal & messing with
the cards. I'm disappointed because of the handling