Takahashi Focuser

I recently took apart the focuser on my FS152 to adjust it. After assembling it the function is smooth and appears to function as designed. I noticed on the rug after I finished a small metal piece. To be honest I do not think it belongs with the focuser but I am not sure. Likely left over from x-mass stuff and just happened to come upon it

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FS 152? luck guy!
As to the strange part, it looks like x-mas stuff to me, a waist hook from someone's pants ( or bra strap hook) that popped loose after too much holiday dinner.
Rex