Hey @notthefakeSVP, just for the record it's pronounced CLEE-burn.
We accept apologies in the form of hand-written letters delivered via carrier pigeon
While it's not the end-all-be-all, a trend we see amongst our pros is well above-average thoracic rotation (especially dominant-side).
The quadruped rotation is an excellent way to test active t-spine rotation. Sitting into the heels w/ hand behind back helps isolate the move.