Lifting with chains is supposed to be hard. Setting up the chains shouldn't be.
Attaching a leading chain, a connecting hook, and adjusting both sides of the barbell to be equal can be a real pain. Such a pain, in fact, that some lifters claims the payoff isn't worth the task.
The EZ Chain Loaders sidestep this entire issue. Clint Darden shows exactly how to use these chain loaders for simple, quick, and reliable accommodating resistance work. He even includes how to set up long bands, short bands, and chains all at once.