The phrase "a hook at" is correct and usable in written English.
It can be used when referring to a specific point or location where something is attached or secured, often in a metaphorical sense.
Example: "The story had a hook at the beginning that immediately captured the reader's attention."
Alternatives: "a point at" or "a catch at".
She got a dressing stick, a rod with a hook at the end to help her pull on pants.
They'd hung him first from the ceiling on a hook at some club and beat him dead.
At the bottom are the scavengers: those women with nothing but a sack and a stick with a hook at one end.
"Unlike previous cinéma vérité, we wanted to make it very commercial; we wanted a hook at every act break," Mr. Murray recalled.
After four defensive balls, de Villiers decides to have a hook at the Johnson short ball, and top edges high and wide of fine leg for a boundary.
It has one arm holding a slender cane, and from the back its head drags a fish on a hook at the end of a long line as it progresses up a lumpy green hill.
B4 Police and Firemen Clash Again The city firefighters union charged that a police officer nearly killed a scuba-diving firefighter with a grappling hook at the scene of a man's drowning, reigniting simmering tensions between the departments.
Rondell White's left middle finger is shaped like a hook, bent at the knuckle and severely swollen.
If the painting is light, you can use a small nail with a hook (sold at most hardware/discount stores).
32nd over: Australia 96-2 (Khawaja 12, Clarke 29) Khawaja completely misses an attempt hook at a ball from Tremlett that was fairly wide of off stump.
Tearing: a relatively light bill with a strong hook at the tip, for tearing open objects, such as flowers, to obtain the insects and nectar within.
