I've heard that the performance of a QiYi 9x9 can be improved by installing shorter springs, but I don't know what size of springs I should get. Any help would be greatly appreciated.
If you were to teach someone how to solve a Rubik's cube with the LBL method, would you show them how to solve the cross directly, or would you show them how to first do a daisy, and then solve the cross? What are the pros and cons of each method?
I am wondering if anyone has ever tried putting SCSs cosmic lube into a bearing for a responsive YoYo, and with which lube did you have the best results?