# Help **URL:** \ **Category:** Yo-Yo Mods and Maintenance\ **Created:** [May 14, 2010, 7:53pm UTC](https://forums.yoyoexpert.com/t/help/14409 "2010-05-14T19:53:10Z")\ **Posts on this page:** 9\ **Page:** 1
**Author:** ![skillz123](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@skillz123](https://forums.yoyoexpert.com/u/skillz123)\ **Post date:** [May 14, 2010, 7:53pm UTC](https://forums.yoyoexpert.com/t/help/14409/1 "2010-05-14T19:53:10Z")
Ok i need some help. I just got red shims from yoyojam and i was wondering how to put them on my darkmagic and if i could stack 2 together ---
**Author:** ![skillz123](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@skillz123](https://forums.yoyoexpert.com/u/skillz123)\ **Post date:** [May 14, 2010, 8:22pm UTC](https://forums.yoyoexpert.com/t/help/14409/2 "2010-05-14T20:22:45Z")
Hey guys well I got my DM a little while ago bout week and a got a CKK (ceramic konkave) bearing and I got some shims but one got ripped so is there anything to buy to make it like less responsive cause im getting some sick string ---
**Author:** ![Yummy](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yummy/32/14065_2.png) [@Yummy](https://forums.yoyoexpert.com/u/Yummy)\ **Post date:** [May 14, 2010, 9:01pm UTC](https://forums.yoyoexpert.com/t/help/14409/3 "2010-05-14T21:01:16Z")
Clean the bearing and silicone the o-ring half. ---
**Author:** ![Yummy](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/yummy/32/14065_2.png) [@Yummy](https://forums.yoyoexpert.com/u/Yummy)\ **Post date:** [May 14, 2010, 9:07pm UTC](https://forums.yoyoexpert.com/t/help/14409/4 "2010-05-14T21:07:44Z")
Stacking two on one side will cause the string to slip between the bearing and the yo-yo half. As for how to apply them, you should read [[this]](http://yoyowiki.org/wiki/Shims). ---
**Author:** ![skillz123](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@skillz123](https://forums.yoyoexpert.com/u/skillz123)\ **Post date:** [May 14, 2010, 9:22pm UTC](https://forums.yoyoexpert.com/t/help/14409/5 "2010-05-14T21:22:20Z")
how to silicone and i have a konkave ---
**Author:** ![Hardcore\_Max1986](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/hardcore_max1986/32/288_2.png) [@Hardcore\_Max1986](https://forums.yoyoexpert.com/u/Hardcore_Max1986)\ **Post date:** [May 14, 2010, 11:02pm UTC](https://forums.yoyoexpert.com/t/help/14409/6 "2010-05-14T23:02:37Z")
remove o-ring fill the gap with silicone: see this link [http://yoyoexpert.com/forums/index.php/topic,13979.0.html](http://yoyoexpert.com/forums/index.php/topic,13979.0.html) ---
**Author:** ![anonyo](https://avatars.discourse-cdn.com/v4/letter/a/8baadc/32.png) [@anonyo](https://forums.yoyoexpert.com/u/anonyo)\ **Post date:** [May 15, 2010, 1:09am UTC](https://forums.yoyoexpert.com/t/help/14409/7 "2010-05-15T01:09:08Z")
I have merged your two topics. They were basically on the same type of problem so there was no need for another topic. ---
**Author:** ![skillz123](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@skillz123](https://forums.yoyoexpert.com/u/skillz123)\ **Post date:** [May 15, 2010, 2:47pm UTC](https://forums.yoyoexpert.com/t/help/14409/8 "2010-05-15T14:47:36Z")
ok thx ---
**Author:** ![skillz123](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@skillz123](https://forums.yoyoexpert.com/u/skillz123)\ **Post date:** [May 15, 2010, 2:49pm UTC](https://forums.yoyoexpert.com/t/help/14409/9 "2010-05-15T14:49:36Z")
Now I put the red shim in and it is still responsive so I’m going to put flowable silicone on and how do I put thin lube on a ceramic konkave bearing