セーターをあの釘にひっかけた。

sweater; jumper

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

that (someone or something distant from both speaker and listener, or situation unfamiliar to both speaker and listener)

nail (i.e. small metal spike)

at (place, time); in; on; during; to (direction, state); toward; into; for (purpose); because of (reason); for; with; by; from; as (i.e. in the role of); per; in; for; a (e.g. "once a month"); and; in addition to; if; although

to hang (something) on (something); to throw on (clothes); to hook; to catch; to trap; to ensnare; to cheat; to evade payment; to jump a bill; to drink (alcohol); to splash someone (with); to hit the ball off the end of the bat