Dutchy wrote:
Imagine pressing something onto your skin hard, what would be more comfortable, a smooth or a not so smooth surface?

Chain would conform to the surface vs. say a regular snaffle that acts as a nutcracker.
Chains are slightly rippled not exactly an abrasive surface.


"Blessed are the flexible for they shall not get bent out of shape"
"You can discipline and Discourage or you can Discipline and Encourage"
"Gentle in what you do , But firm in how you do it"