“good to replace the mouth piece every once in awhile (or if someone else is using it). The end that goes it ends up breaking down a bit after a decently long time, but 10 will last you a alooong time”
“While my bactrack came with a few mouthpieces already, it is nice to have extras in case you lose any of these small guys in the midst of your shenanigans. Though in all honesty, my social groups don't typically switch mouthpieces for new ones when being passed around, so I don't see us needing the extras anytime soon.”
