"What you need to do is learn how to hit, intuitively and easily. What I want you to do is practice, until you can keep your eyes squarely on them."

Explaining, pointing at the fabric.

"When I'm flogging someone, I keep my gaze on their shoulders. You can see a lot- when their body hugs in against whatever they're on, they need a second. They'll shift, settle, and lean back out. Or, when they're nervous, their shoulders will come up to their ears. You can also watch breathing that way- try and hit on the exhale, unless you want to wind them, then by all means-"