What's the term for a fastening method where two members snap together by interlocking teeth

For example, there's a plastic hose clamp that closes this way. In order to unlock it you have to slide the locked ends apart sideways

Could it be "ratchet"

Why yes, Nurse Ratched, yes, it could be "ratchet.
Why, Daleman, why, do you ask?
Why don't you let us poor inmates answer your self-serving, autocratic, rhetorical question?

We were once human too!

the: Thank you