The dead hand of something
Definition 1 of 1
Pro Tip 1/3Metaphoric Usage
The phrase uses imagery of a 'dead hand' to symbolize the stifling influence of past systems or ways. 
The dead hand of tradition can prevent a society from accepting new ideas.
Pro Tip 2/3Abstract Control
It refers to an unseen, intangible force that continues to exert control or influence. 
Young artists feel the dead hand of the classical masters when branching into modern art.
Pro Tip 3/3Negative Connotation
The phrase often has a negative connotation, implying that the influence is unwelcome or harmful. 
Innovators struggle against the dead hand of rigid regulation in the industry.