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Description
Retro-Gravity by Devin Knight - ebook - - INSTANT DOWNLOADIf you haven't heard of Retro Gravity, it was a self levitation that Al Mann and Devin Knight created over 20 years ago. It has been kept under wraps all these years. Whispered about on the underground, and hinted that it would be released someday That day is NOW. Retro Gravity allows you to levitate 2 to 4 inches in the air. It is a special gimmick you attach to your shoe and once done is completely invisible. Any time you wear your shoes, you are
If you haven't heard of Retro-Gravity, it was a self-levitation that Al Mann and Devin Knight created over 20 years ago. It has been kept under wraps all these years. Whispered about on the underground, and hinted that it would be released someday... That day is NOW.Retro-Gravity allows you to levitate 2 to 4 inches in the air. It is a special gimmick you attach to your shoe and once done is completely invisible. Any time you wear your shoes, you are ready to levitate. Anywhere, anytime under any conditions! This means you can walk around in a restaurant, party or out door festival and levitate over and over at will. No special pants, jackets or special clothing are required.
NO BULKY GIMMICKS TO CARRY AROUND!
No palming off or adding anything. The bottom of your shoes can be shown before and after the levitation and they are seen to be normal. But, that is not all, the manual describes how to allow an assistant to pass something both feet while floating.
PLUS advance techniques that allow you to rotate 180 degrees in the air while floating. Lift both feet while floating to show nothing under them. A technique that allows you to float up to 8 inches for a split second.
Other self-levitations are described in the book including
Mat Levitation: Stand on a mat and float up 4 inches.
Al Mann Newspaper Levy: Stand on a newspaper float up and someone pulls the paper out from under your feet.
A sneaky way to do the Balducii Levitation and never get caught.
You get the complete manual explaining how to do Retro-Gravity. A simple item found in any hardware store is invisibly attached to your shoes and allows you to do this levitation at anytime, with no thought or advance notice.
Anytime someone walks up to you and says can you levitate like that guy on TV. You say yes, and float right up, then and there.
Retro-Gravity allows you to do all this and much more.
Pages: 35 - 8.5" x 11" - Full color photos - PDF Format
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4.7 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
These are definitely indestructible
Size: Medium
Both of my dogs can destroy a ball in a matter of minutes if I let them play with them (supervised) as is. Well not with these balls. They are the ONLY ones I have found that are 100% indestructible. Please only let your dogs play with these as a toy when supervised though. They go really far when throwing them, so both dogs get a good amount of running and exercise with these. I also bought these because they have the hole in the middle of the ball which is very important in the event that a dog gets one stuck at the back of their throat. This allows them to breath unlike those without this hold. It's an unlikely event, but as dog owners, we all need to be aware of this and educate ourselves on what to do if this SHOULD happen. This isn't a scare tactic, nor a reflection of this particular brand, it can happen with any type of ball. My two dogs are about 45ish lbs and the size is perfect for them, I don't want anything smaller than this. They love them. There is no annoying squeak. Really easy to wash after use. Some balls take forever to get the slimy saliva off, but these don't.
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Reviewed in the United States on September 25, 2025
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Love the colors
Color: Multicolor
I love these and I do PE at the elementary school. These colors make things a lot easier to teach kids about their skills.
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Reviewed in the United States on November 23, 2025
★★★★★ 5
Make your doggos’ dreams come true
Color: Multicolor
Perfect gift for a dog who LOVES tennis balls. Finn a golden retriever was in heaven! We sent this big box of tennis balls to him and his family dumped them all out for him! The balls are the perfect size for chasing and general play. They seem durable, at least as durable as they can be when confronted by teeth. They are a great value. We put them on subscription so he can have an endless supply.
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Reviewed in the United States on November 11, 2025
★★★★★ 5
Worked good for me
Color: Multicolor
Used these for kids to use on a balloon launcher as alternative to water balloons they are good enough for that, can’t say how well they work playing tennis?
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Reviewed in the United States on January 31, 2026