Probably because the response pads wore out. That happened with mine along time ago.
You can buy new ones here in an 8-pack. http://shop.yoyoexpert.com/product/74/Duncan-Friction-Stickers Use the Standard Friction Stickers.
Probably because the response pads wore out. That happened with mine along time ago.
You can buy new ones here in an 8-pack. http://shop.yoyoexpert.com/product/74/Duncan-Friction-Stickers Use the Standard Friction Stickers.