Stranglehold

Noun

 * 1) A grip or control so strong as to stifle or cut off.
 * For years the company had a stranglehold on the rest of the industry.

Thesaurus
Oregon boat, arrest, arrestation, arrestment, bear hug, bilbo, blockage, blocking, bond, bonds, bridle, camisole, chains, check, clogging, closing up, closure, collar, constriction, cramp, cuffs, delay, detainment, detention, fetter, fixation, foot-dragging, full nelson, gag, gyves, half nelson, halter, hamper, hampering, handcuffs, hindering, hindrance, hobbles, holdback, holdup, hopples, impediment, inhibition, interference, interruption, irons, leading strings, leash, let, lock, manacle, muzzle, negativism, nuisance value, obstruction, obstructionism, occlusion, opposition, pillory, quarter nelson, reins, repression, resistance, restraint, restraints, restriction, retardation, retardment, scissors, setback, shackle, squeeze, stocks, straightjacket, strait-waistcoat, straitjacket, stricture, suppression, tether, toehold, trammel, trammels, yoke

Etymology
From strangle + hold

Translations

 * Dutch:
 * German: