It’s much more effective if the Flogging isn’t scheduled for a certain time each day. Dread doesn’t require a Clock.
And make it a variety of different flogging types.
or to make it better, send them to where the experts are... send them to North Korean prisons.
Let them get off an airliners with face tattoo’s saying “Kim Jong-un is a fat sissy” and “I am an American Spy” in Korean of course.