Originally Posted by
79pmooney
All the waterbottles I've used have a ring with a lip as the "valve". Grab the lip with your teeth and pull. Pretty simple. I close the bottle after so as not to have rust and corrosion causing electrolyte spilling over the bike.
Ben
+1. As noted above, Podium bottles are one exception. But there is really no need to “lock” them while riding. I only lock them when they are on their sides, like when in the tent with me. Don’t want to roll over on one while sleeping.