Because I've found that the thinner ones don't seem to block sound as effectively yet they have the same or very close decibel rating. I've been experimenting with a bunch of them lately to see which work best and it's the wider ones. I'm thinking I may have large ear canals.
Honestly too I'm questioning the efficacy of earplugs in general .... I wear them correctly ( rolled thin no creases, pull up ear, insert very deeply, hold in place w finger until expands) and I'm still have spikes and increases in my tinnitus. Just today was outside with a Hearos extreme in while someone was using a power tool which registered 75-80 decibels. My ear is ringing louder now. I really don't understand what's going on with this.
Yeah, those are the ones i use most. Though they don't seem to be doing as good of a job as they should be doing (and i do insert them correctly) though. My ear rings louder after using them around noise.
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