# grind machine help

**URL:** <https://forums.yoyoexpert.com/t/grind-machine-help/1834>\
**Category:** General Yo-Yo\
**Created:** [April 23, 2009, 11:58pm UTC](https://forums.yoyoexpert.com/t/grind-machine-help/1834 "2009-04-23T23:58:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Roto0](https://avatars.discourse-cdn.com/v4/letter/r/4af34b/32.png) [@Roto0](https://forums.yoyoexpert.com/u/Roto0)\
**Post date:** [April 23, 2009, 11:58pm UTC](https://forums.yoyoexpert.com/t/grind-machine-help/1834/1 "2009-04-23T23:58:16Z")

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i got a pgm and i got some ring shaped thingy and i have no idea wat there for

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**Author:** ![EvanB](https://avatars.discourse-cdn.com/v4/letter/e/90ced4/32.png) [@EvanB](https://forums.yoyoexpert.com/u/EvanB)\
**Post date:** [April 24, 2009, 12:00am UTC](https://forums.yoyoexpert.com/t/grind-machine-help/1834/2 "2009-04-24T00:00:53Z")

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> [@Roto0](#):
>
> i got a pgm and i got some ring shaped thingy and i have no idea wat there for

[![](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/5/e/a/5ea4d80aa56f79b2dda51aab81b84b2539d0d73f.jpeg "Yoyofactory Grind Machine Unpacking/Tips") ](https://www.youtube.com/watch?v=_buOZbPwULs)

They are rings you put in the side for wieght.

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**Author:** ![Paolo](https://avatars.discourse-cdn.com/v4/letter/p/6f9a4e/32.png) [@Paolo](https://forums.yoyoexpert.com/u/Paolo)\
**Post date:** [April 24, 2009, 4:48am UTC](https://forums.yoyoexpert.com/t/grind-machine-help/1834/3 "2009-04-24T04:48:20Z")

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yupp I always keep mine on,I also got confused they add about 5 grams when in so it does make a difference,just one warning: they block the lip for thumb grinds so if you like those dont keep them on