open
Yes the seal has nostrils that can close and open if wanted.
Open, unplug, or unseal. Those are opposites of seal.
they hump with eachother and lick around
Yes
Try to make your fingers very strong then open it with your fingers and look at it when you open it.
Nothing! -.-
To close something securely means that you latch it tightly so it won't just pop open or slowly open over time, you have to unlatch it for it to open. Or to seal.
they cut it open and get the meat
one seal at a time
Yes
Open celled foam must be sealed prior to painting. The seal is a simple mixture of white glue thinned with water and brushed on.