# Need help installing finger spin cups on Duncan Freehand AL

**URL:** https://forums.yoyoexpert.com/t/need-help-installing-finger-spin-cups-on-duncan-freehand-al/349161
**Category:** Yo-Yo Mods and Maintenance
**Created:** [December 17, 2021, 3:58am UTC](https://forums.yoyoexpert.com/t/need-help-installing-finger-spin-cups-on-duncan-freehand-al/349161 "2021-12-17T03:58:06Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![FourCorner](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/fourcorner/32/122296_2.png) [@FourCorner](https://forums.yoyoexpert.com/u/FourCorner)
#### Post date: [December 17, 2021, 11:36am UTC](https://forums.yoyoexpert.com/t/need-help-installing-finger-spin-cups-on-duncan-freehand-al/349161/11 "2021-12-17T11:36:03Z")

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I know I am a bit late, but I wanted to paste this here as a warning for anyone trying to remove their caps.

> [@New Duncan FREEHAND ONE AL & Fingerspin Caps!](https://forums.yoyoexpert.com/t/new-duncan-freehand-one-al-fingerspin-caps/332451/17):
>
> Ok so I got the caps off with this method, but you need to add ear plugs to the required materials list!!! The first cap came off with such a loud POP that I now have pain in my left ear and it’s ringing (unfortunately I’m not joking or exaggerating). I used earplugs for the second cap. Also, it now vibes like a jackhammer with the fingerspin caps… Edit- tried the procedure again and got most of the vibe out. You should probably consider just installing the fingerspin caps at the factory for…

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