Base on same concept of Reduction by the same arthur, here is the same principle but apply to
different magic effect. The effect, if done in proper angle is quite strong and like the ad said can
serve as alternative to impromtu the Ambitious Card routine.
However, the instruction video
about a critical sleight is not detail explain. What I mean is that specific sleight requires exact
finger position otherwise it cannot be achieved did not taught in detail.
This might look
good in some performer's hands but you have to expect quite amount of practice to make it look good.