# CULater String eating **URL:** \ **Category:** Yo-Yo Mods and Maintenance\ **Created:** [May 13, 2010, 12:59am UTC](https://forums.yoyoexpert.com/t/culater-string-eating/14347 "2010-05-13T00:59:25Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![yoyojamben](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yoyojamben/32/289780_2.png) [@yoyojamben](https://forums.yoyoexpert.com/u/yoyojamben)\ **Post date:** [May 13, 2010, 12:59am UTC](https://forums.yoyoexpert.com/t/culater-string-eating/14347/1 "2010-05-13T00:59:25Z")
Ok, I understand I could fix this by rubbing it with some kind of denim, but what actually is the cause of this? is it the BB? is it the Anno? And while we’re at it, how does the CULater grind? ---
**Author:** ![alchemist](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/alchemist/32/517_2.png) [@alchemist](https://forums.yoyoexpert.com/u/alchemist)\ **Post date:** [May 15, 2010, 7:42pm UTC](https://forums.yoyoexpert.com/t/culater-string-eating/14347/2 "2010-05-15T19:42:49Z")
After i satined mine it grinded a whole lot better, and I was having the string problem. What I did was take fine fine fine grit sand paper and lightly touched the inside of the yo until it was just anno so it looked all black ---
**Author:** ![yoyojamben](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yoyojamben/32/289780_2.png) [@yoyojamben](https://forums.yoyoexpert.com/u/yoyojamben)\ **Post date:** [May 15, 2010, 8:39pm UTC](https://forums.yoyoexpert.com/t/culater-string-eating/14347/3 "2010-05-15T20:39:11Z")
> [@alchemist](#): > > After i satined mine it grinded a whole lot better, and I was having the string problem. What I did was take fine fine fine grit sand paper and lightly touched the inside of the yo until it was just anno so it looked all black Thanks alchemist 😃 I just received mine and the previous owner already did it… _Thread lock_