Noun : The new regime kept a throttlehold on academic freedom.    From Dictionary.com. 

Possibly true, but that masks the larger, long-term problem, namely that Dow agribusiness will have a throttlehold on commercially-produced world food.    From Wordnik.com.  [GENETICALLY-ENGINEERED CROPS AND THE PRESIDENTIAL ELECTION] Reference

The outcome suggested to both of them that the Satrap's coffers would actually profit more from this new arrangement than he had from his throttlehold on Bingtown.    From Wordnik.com.  [Ship Of Destiny]

Melbourne conceded the Premiers 'Plate with a 2-0 loss to Sydney just four days prior to their clash but the defending champions hit back with a vengeance with an inspired performance to take a throttlehold of the tie against the Sky Blues.    From Wordnik.com.  [Sportal.com.au - Latest News Headlines] Reference