attacher
/ætˈætʃər/Definitions
1. noun
One who or that which attaches something, especially a person employed to attach labels or tags to goods in a store.
“The attacher at the department store carefully attached the price tags to each item.”
2. verb
to attach or fasten something, especially a label or tag, to something else.
“The cashier will attache the receipt to the bag for you.”