pump dispenser limiting collar for hand sanitizer, etc
thingiverse
I work in a middle school, and the big ol' pump jugs of hand sanitizer dump a stupid amount of goop per push - way too much for kid (and adult) hands. I made these quick little snap-on collars that act as stops to limit the amount of product that is dispensed with each pump. This fits great on bottles with a .338in pump shaft. It may fit other sizes as well, and it can easily be scaled to accommodate other pumps or to change the range of motion/amount dispensed.
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