locks, lox

Locks or locks is the plural ( more than one ) of "lock", meaning a device used to secure a door or gate, among other things--
All of these locks are rusty; we'll have to buy new ones.
Do we have the keys for any of these locks?

Locks is also the third person singular ( he, she, it ) form of "lock", meaning to secure a door, gate, drawer, box, etc.--
Make sure to leave before he locks the gate.
If she locks the door while we're out, we won't be able to get back in.

Locks is also the plural of "lock", meaning a section of hair--
He wrote a poem about her auburn locks, but she was not impressed.
They called her Goldilocks, because of her blond hair.

Lox or lox ( rhymes with locks ) is a spread made of smoked salmon or herring--
I'd like a bagel with lox and cream cheese.
Will you buy some lox next time you go to the store?

Now that you know that, you can say--
"The deli owner always locks the case with the lox in it."

Note--"lox" is also a kind of rocket fuel--
Does this rocket run on lox?