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Checksum

Mark Lemon

A surefire pin reveal with a sneaky secret. 

Checksum uses no magic apps, no toxic force, and the spectator's borrowed phone.

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A SUREFIRE PIN REVEAL WITH A SNEAKY SECRET


Someone creates a unique 4 digit pin. Free choice.

The secret behind Checksum allows you to read their mind and know that number, every. Single. Time.

Checksum uses no magic apps, no toxic force, and the spectator's borrowed phone.

It's based on a stupidly simple math principle that anyone can do. If you can do this in your head... 6-3 = 3, you can do this effect.

Here's the sneaky bit. After you reveal their freely thought-of PIN, you'll secretly know their exact date of birth. They'll have no idea how you got it.

Now you can do birthday reveals, star sign reveals, one-ahead routines, and much much more.

  • Checksum is not the toxic force.
  • It uses no custom magic apps.
  • It can be done on their phone.
  • ... and it's so simple even a chimp can do it

With Checksum, you'll always be ready to perform - and even if you like using magic apps, knowing Checksum will give you an iron-clad backup should they ever fail.

Checksum by Mark Lemon is an unexplored, borrowed-phone phenomenon that you can learn INSTANTLY.

Download Checksum Today.

p.s. Checksum uses a scientific calculator that only comes standard on some Android devices. If you don't have one, you can download one for free from the Play Store, but then it can't be borrowed. Using iOS? You're all good. It'll work on every Apple device.

Customer Reviews

Based on 40 reviews
93%
(37)
5%
(2)
3%
(1)
0%
(0)
0%
(0)
S
Savino Recine
Checksum is a great idea!

Great impromptu method and very easy to do!

R
Rene
Great effect

So far I’ve had nothing but good reactions Performing this effect and what you have to calculate it’s in all honesty very easy , an elementary school kid could perform this. If you take your time to routine this well you’ll have a killer effect always ready.

G
Gerald Legge
Excellent

A great trick you can use to impress and is genuinely very affordable which I would recommend to anyone. GET IT, thank you Mark !

B
Barryn Stroh
Confusing but the Math Does Work!

When I first watched and tried to learn CHECKSUM, it was all very confusing as a better method was added to the video midstream. I at first poo Poohed the whole effect, but after sticking to the first method explained… I found that the math always works. I feel when you try to get spectators to use a calculator, you always run the risk of something going wrong (I.e “Murphy’s Law”) and I choose not to do this in any “formal” presentation, but in a more “impromptu” or casual…”Let’s try an experiment” attitude…Then, if all goes well.. move into a more powerful mind blowing effect to finish your routine or set. As any effect, you have to get comfortable with directing your spectator and watch how they press the buttons. I haven’t yet performed it enough to get or be that comfortable… so I’m basing my review mostly on my experience with the “learning process” of this …I will say GOOD effect.

I
Isaac Jaacks
Very clever and useful

If you don’t know a method for revealing a pin code, this is a must purchase. Even though I already knew a method for this I’m actually changing to this method. Also a lot of great insight on how to perform this by the guys. A great buy for the price!

P
Philipp
Give it a try...

I like it. In fact it is a pretty good piece of mentalism. It is true, it can be a bit suss because you have to prepare on the fly, but with audience-management and missdirection you will be fine. So it takes a little bit practice but it is worth it.

S
Simon Clarke
Its really good, but...

Love the concept, love what you get out of it and its nice and easy to perform... my one "But" is the same with any of these calculator effects is that although you CAN do it with a borrowed phone, its a bit suss.
Overall though, stella peice of work

B
Ben Aspey
Hoping to win 😊

The Checksum is pretty good, takes a lil bit more to get the flow of the routine but can make it your own with a bit of forward thinking and mirror work.

R
Rev Fagin
Checksum,,, Check in or Check out ?

If you are looking for a Pin and Birthdate reveal, then definitely check in on Checksum. I have dyscalculia, which means I struggle with anything to do with numbers. But even I got my head around the method in just a few minutes. So not only the chimp can perform it, but also an old ape like me. This isn’t an expensive download either, if the price of admission had been triple the price it would still be worth the cash. I only leave reviews on things I will use, and this replaced all the other Pin and Birthdate revelations in my tool box straight away. Look no further, it’s really clever, really easy, and you will be performing it in no time at all. I have nothing bad to say about it at all. Great work.

R
Reevu
Ingenious

Method is great and can be tweaked a bit to work best with your routines. Best feature is the freebie that you get which can be used later on in a different routine. Works best with iOS, Android is a bit tricky but it is addressed in the video. The video itself could have been edited better and is long and rambly, but it helps you ruminate over how you can make it your own


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