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A comment on Hacking a $200 Under Desk Exercise Bike. Parent comment

Re:Hacking a $200 Under Desk Exercise Bike by m463 on Saturday April 10, 2021 @12:59PM (#26762958)
3M classic superfit 33 earplugs (33 nrr) are comfortable and quiet. I buy a box of 250 and it lasts me forever.
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Re:Hacking a $200 Under Desk Exercise Bike by brailsafe on Sunday April 11, 2021 @08:14AM (#26769769)
Good to know. I've tried other construction style 3M earmuffs that didn't come close to doing the trick.
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