These work great for keeping your shirt dryNo. Imagine a straw that has 3 or 4 layers of trefoils along the way to stop the sloshing.
I wonder if you could make something out of plastic drinking straws.
Exactly!Is this what you are looking for? No idea if they are still made or if you can purchase them. The website goes to a linkedin account.
If you're still wearing your pack at longbow range you've got more concerns than a nalgene bottleEver try to kill a bull with a longbow when its 75* and they've been pressured hard?