Survival Straw

you have to suck real, real hard to get water thru it, but it does work as a filter.
 
Originally posted by sam3
you have to suck real, real hard to get water thru it, but it does work as a filter.

That's wouldn't be good for your throat at all, especially for any length of time. If I drink a milkshake at McDonald's too quickly I feel my throat freaking out. I can only imagine this thing for long term.
 
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