# 1/2A **URL:** \ **Category:** Yo-Yo Videos\ **Created:** [July 8, 2009, 12:35am UTC](https://forums.yoyoexpert.com/t/1-2a/4020 "2009-07-08T00:35:13Z")\ **Posts on this page:** 15\ **Page:** 1
**Author:** ![Paolo](https://avatars.discourse-cdn.com/v4/letter/p/6f9a4e/32.png) [@Paolo](https://forums.yoyoexpert.com/u/Paolo)\ **Post date:** [July 8, 2009, 12:35am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/1 "2009-07-08T00:35:13Z")
[![]( " - YouTube") ](https://www.youtube.com/watch?v=VvTUz5Le9Ho) ---
**Author:** ![Smoke770077](https://avatars.discourse-cdn.com/v4/letter/s/85f322/32.png) [@Smoke770077](https://forums.yoyoexpert.com/u/Smoke770077)\ **Post date:** [July 8, 2009, 12:37am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/2 "2009-07-08T00:37:43Z")
Pretty awesome… ---
**Author:** ![SR1](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/sr1/32/104603_2.png) [@SR1](https://forums.yoyoexpert.com/u/SR1)\ **Post date:** [July 8, 2009, 12:38am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/3 "2009-07-08T00:38:04Z")
That was so awesome! One of the most creative styles yet! ---
**Author:** ![Paolo](https://avatars.discourse-cdn.com/v4/letter/p/6f9a4e/32.png) [@Paolo](https://forums.yoyoexpert.com/u/Paolo)\ **Post date:** [July 8, 2009, 12:38am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/4 "2009-07-08T00:38:48Z")
> [@SR1](#): > > That was so awesome! One of the most creative styles yet! I hope you know I didn’t invent it, it was Jayyo. ---
**Author:** ![SR1](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/sr1/32/104603_2.png) [@SR1](https://forums.yoyoexpert.com/u/SR1)\ **Post date:** [July 8, 2009, 12:48am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/5 "2009-07-08T00:48:08Z")
> [@gm user](#): > > > [@SR1](#): > > > > That was so awesome! One of the most creative styles yet! > > I hope you know I didn’t invent it, it was Jayyo. Oh well, it was still cool though. How did you keep the one half balanced? ---
**Author:** ![L3adrine5](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/l3adrine5/32/120_2.png) [@L3adrine5](https://forums.yoyoexpert.com/u/L3adrine5)\ **Post date:** [July 8, 2009, 12:49am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/6 "2009-07-08T00:49:41Z")
Nice. You should try sticking your thumb and do a thumb grind on the half. :wink: ---
**Author:** ![Spencer\_L](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/spencer_l/32/180_2.png) [@Spencer\_L](https://forums.yoyoexpert.com/u/Spencer_L)\ **Post date:** [July 8, 2009, 12:50am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/7 "2009-07-08T00:50:43Z")
He must of has his string tention pretty tight to hold it. :o ---
**Author:** ![Smoke770077](https://avatars.discourse-cdn.com/v4/letter/s/85f322/32.png) [@Smoke770077](https://forums.yoyoexpert.com/u/Smoke770077)\ **Post date:** [July 8, 2009, 12:56am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/8 "2009-07-08T00:56:47Z")
Nope… Your all wrong… A yoyo is pretty much a gyroscope on a string! [![](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/f/3/2/f32351e1978034fded4f98082c56f981260ebe0d.jpeg "Do Try This at Home! Episode 7 - The Wheel") ](https://www.youtube.com/watch?v=P014jvaB3ic) Neat huh? Extra: [How the Gyroscope Works | HowStuffWorks](http://www.howstuffworks.com/gyroscope.htm) ---
**Author:** ![Spencer\_L](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/spencer_l/32/180_2.png) [@Spencer\_L](https://forums.yoyoexpert.com/u/Spencer_L)\ **Post date:** [July 8, 2009, 1:00am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/9 "2009-07-08T01:00:32Z")
Cool! I can almost see how Andre made up Thumb Grinds… 🙂 ---
**Author:** ![Smoke770077](https://avatars.discourse-cdn.com/v4/letter/s/85f322/32.png) [@Smoke770077](https://forums.yoyoexpert.com/u/Smoke770077)\ **Post date:** [July 8, 2009, 1:01am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/10 "2009-07-08T01:01:29Z")
> [@Spencer\_L](#): > > Cool! I can almost see how Andre made up Thumb Grinds… 🙂 Yup, same concept ---
**Author:** ![mattsk8nike](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/mattsk8nike/32/213_2.png) [@mattsk8nike](https://forums.yoyoexpert.com/u/mattsk8nike)\ **Post date:** [July 8, 2009, 1:56am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/11 "2009-07-08T01:56:06Z")
Woah! That looks cool! _goes and tries 1/2A_ ---
**Author:** ![Paolo](https://avatars.discourse-cdn.com/v4/letter/p/6f9a4e/32.png) [@Paolo](https://forums.yoyoexpert.com/u/Paolo)\ **Post date:** [July 8, 2009, 3:35am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/12 "2009-07-08T03:35:26Z")
> [@Spencer\_L](#): > > He must of has his string tention pretty tight to hold it. :o Not really, it was actually a bit loose, it just balances. ---
**Author:** ![anonyo](https://avatars.discourse-cdn.com/v4/letter/a/8baadc/32.png) [@anonyo](https://forums.yoyoexpert.com/u/anonyo)\ **Post date:** [July 8, 2009, 4:02am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/13 "2009-07-08T04:02:47Z")
Im guessing because of how fast its spinning. I do it all the time with my yoyos. On accident of course. Works best with metals. Haha ---
**Author:** ![Paolo](https://avatars.discourse-cdn.com/v4/letter/p/6f9a4e/32.png) [@Paolo](https://forums.yoyoexpert.com/u/Paolo)\ **Post date:** [July 8, 2009, 4:05am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/14 "2009-07-08T04:05:02Z")
> [@yoyoguy1994](#): > > Im guessing because of how fast its spinning. I do it all the time with my yoyos. > On accident of course. > Works best with metals. Haha Very likely the cause of it. ---
**Author:** ![Smoke770077](https://avatars.discourse-cdn.com/v4/letter/s/85f322/32.png) [@Smoke770077](https://forums.yoyoexpert.com/u/Smoke770077)\ **Post date:** [July 8, 2009, 4:13am UTC](https://forums.yoyoexpert.com/t/1-2a/4020/15 "2009-07-08T04:13:26Z")
_cough cough_ Ahem… > [@Smoke770077](#): > > Extra: [How the Gyroscope Works | HowStuffWorks](http://www.howstuffworks.com/gyroscope.htm) This mysterious effect is precession. In the general case, precession works like this: If you have a spinning gyroscope and you try to rotate its spin axis, the gyroscope will instead try to rotate about an axis at right angles to your force axis