Are there any weight limitations to how heavy this drag/push is supposed to be? The "creative" solution I am trying now is rather heavy (good strengh training?)
No limitations, Air. Drag away!
"Properly manipulated, Clubhead Inertia can withstand all the Lag Pressure anyone can generate . . . " (7-19)
Describing the feel of loading and delivering clubhead lag pressure has always been a challenge to golf instructors. In his 1946 classic On Learning Golf,Percy Boomer offered as an analogy these commands to navy deckhands as they pull their ropes with three degrees of tension:
Threaded Mode