hook into

hook in(to something)

To connect or link to something. I bet those guys next door illegally hooked into our cable.
See also: hook
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

hook something into something

to connect something to something. I want to hook another communication line into the system. Is it possible to hook my computer into your network?
See also: hook
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
References in periodicals archive ?
Insert the tip of the trailing hook into the throat between the pectoral fins of the baitfish and twitch them a bit when they hit the water to encourage them swim down, Rieger advises.
Place the point of your hook into the end of the worm threader.
This moment helped shape Hook into the pirate he became. 
One easy bridle method is to pull a small rubber band through the bait with a rigging needle and then twist the hook into the two loops protruding from the bait.
Be sure to insert the barb of the hook into the belly of the bait far enough back so that when you bring it through to the top, the bait hangs naturally without any kinks or humps.