It is attached between the yo-yo body and the cap and uses it.
It is now possible to change to a feeling that is more rigid and lively!
Please use it for LoopUp.
The feeling is like a certain nicepe! ?
You can also get some sleep performance growth.
Please try using only one side.
* The cap may float slightly when worn.
In that case, please use sand sanding etc. by slightly shaving the surface of the cap side of the spacer.