Marvel, itself, seems to have an almost iron grip on information pertaining to the MCU. (thenerdstash.com)
And then there is Anthony Perkins, Hollywood's gentle boy next door, as the troubled Norman, a voyeur who peeps on Janet Leigh as she undresses and who squirms in the emotional iron grip of his mother, squeezing him from beyond the grave. (seanax.com)
Ugh, it was Apple's, ok it was the inability to easily refund games and inefficient control scheme that turned me off mobile gaming, but Apple's iron grip over the App Store didn't help! (thejimquisition.com)