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The Amazing Johnathan’s Knife Through Arm


Stomach turning reactions - this looks REAL. Yet it defies all expectations. The blade is SOLID, there's no tube of blood behind it. Brilliantly designed to fool and last a lifetime.
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Price: $199.95
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"There was a point in my life when I would've actually cut my arm off to get my hand on a genuine AJ knife. Thanks to Penguin, you don't have to go to such extremes. I've seen every knife through arm ever created but, believe me, this is the very best." - Stuart MacLeod

"This is the last knife through arm you will ever need to buy. I have owned many versions in the past and this is the ONLY one that actually fools people. The design and feel of this knife is just fantastic. Do yourself a favor and buy the Amazing Johnathan Knife Through Arm. Made to last and built for the working performer." - John Shaw

"I love this thing, I use it ALL the time. I open letters with it, cut fruit, stab girlscouts, wave it around the grocery store like a maniac and, on occasion, perform it for people. You should buy one! Don't you want to be like me?" - Bizzaro

"That Bloody Knife. It's one of those Props that the Professionals always talk about. Just a brilliant piece of business. Yeah that Bloody knife." - Gazzo

"I still don't understand how his arm grew back so fast." - Psychic Tanya

Slam an enormous butcher knife into your arm. Cackle with glee as blood spurts everywhere while your audience screams in horror. Then, pull the knife out, and your arm is completely restored. From the Freddy Kreuger of Comedy, this is The Amazing Johnathan’s Knife Through Arm!

One of The Amazing Johnathan’s signature effects was to carve into his own arm with a wicked-looking blade. Blood would run down his arm as the knife was clearly halfway through his limb. Incredibly the knife could then be removed, and there was no evidence of a wound. He performed this trick thousands of times in his headlining shows around the world. Now, Penguin Magic has worked with The Amazing Johnathan as well as his wife to bring one of the most gruesome comedy magic gags to the public.

Modeled on the actual Knife Johnathan hand-crafted, every detail has been perfectly recreated into a durable prop that looks and feels amazing. Taught by Dan Harlan, you’ll learn not just how to use the knife but also how to make your own fake blood so you can squeeze every ounce of terror from your audience. This isn’t a silly Halloween gag. This is a professional prop designed to be used for thousands of performances. Easy to do, the knife is also safe to use and incredibly fun to perform. Your audience will be screaming in horror and delight when you perform The Amazing Johnathan's Knife Through Arm!

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Customer Reviews (showing 1 - of 9)
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Very cool bit Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 5th, 2023
The knife looks great. It is really fun to play with and it is def much higher quality than any gag toy you have seen. It looks amazing when it is in your arm. The biggest issue for many will be the examinability of the knife itself. The blade is clearly dull and the backside of the gimmick is very dirty at all times. Dan does show It to audience memebers in his performance but needless to say it’s quick from a distance and no one can ever touch it without a switch. The other issue is that the business is a bit noisy. This can be covered with a yelp or maybe just some more practice with the handling. All in all the prop is the highest quality possible given the effect. As long as you are not expecting a brand new method or something that appears to be a regular knife under scrutiny you will love this. If you are expecting the unexpected with this you may be dissapointed given the price tag attached. If knife through arm fits your act def get it as you won’t find a better option. However it is very expensive gimmick and def sets a tone in an act that will not be for many performers.
6 of 7 magicians found this helpful.
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Awesome looking knife, not for the faint of heart Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 1st, 2023
First off, Dan’s version of blood is absolutely brilliant, looks so real you might have people faint in the audience.
Rather easy to do, however being left handed it will take just a bit of getting used to.
Listen to Dan when he shows you how to clean the knife, very important if you want this prop to last a lifetime.
My knife is a little stiff but I’m sure over time it will loosen up.
This is probably not something you will do in every show, but when you really want to freak people out, this is the trick you’ll use.
This knife will definitely pass as a large kitchen knife. Excellent craftsmanship.
5 of 5 magicians found this helpful.
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What DBH Mano Said... Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on January 25th, 2024
I feel exactly the same way as the above-referenced reviewer does. I'm thrilled to own this! BUT: There was a lot I had to modify to make this as good as it could be. The tube and bulb had to be replaced & redone to make it work its best. It was a lot of research/shopping on Amazon & effort (and some small cost) to do this, but I admit I had a great time finding the parts and reworking the knife. In the end, it looks great and is an honor to own and use. Johnathan was always a treat to watch -- Carl Ballantine on acid.
3 of 3 magicians found this helpful.
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Almost great, but definitely the best on the market. Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on January 11th, 2024
While the positive comments are plentiful (best blade shape, best effect, great quality, etc.) there is just something lacking.

I have had to modify mine to make it quieter, cut and reposition the “tube”, and find a smaller “bulb”. Plus, there was actually a sharp burr on the blade which I had to sand down for safety purposes.

Don’t buy this expecting to use it straight out of the box. This 100% needs modification, oiling, padding and likely replacing the fluid mechanism to get it to suit you.

This is still the best design available to buy, but I would be looking to redesign the handle to eliminate the awkward handling. Small handlers beware.

It’s a shame, as for the price I would have expected much more care in the craftsmanship.
3 of 3 magicians found this helpful.
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Great demo video with Dan & Amazing Johnathan Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 2nd, 2023
Excellent explanations, one question. Why does Dan use the syrup recipe when Johnathan has a totally different mix and seems set against sticky stuff? Thanks
3 of 3 magicians found this helpful.
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super cool broz ! Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 22nd, 2023
The Amazing Johnathan is a legend. So freakin stoked I got one before they are gone and watching Danimal and Johnathan go over the handling is a special treat
2 of 2 magicians found this helpful.
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Unbelievable! Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 6th, 2023
The best knife through arm gimmick I have ever held. blade is solid and heavy. Looks Very realistic.
2 of 2 magicians found this helpful.
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Muhahahahahahaaaa! Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 19th, 2023
I repeat.

Muhahahahahahaaaa!




You WILLLLLL love this!
2 of 3 magicians found this helpful.
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A tribute to The Amazing Johnathan! Report this review
Verified buyer Pro Privacy ON (login to see reviewer names) on December 10th, 2023
The is truly a classic that John “carved” into history. It is quality and definitely worth the price.
Two blood recipes are both excellent and give a great choice to make a decision on the standard “blood type” you’ll use in your act.
1 of 1 magicians found this helpful.
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