Golf Club Lie Angle Adjustment. Lie angles are based off of many aspects such as height wingspan knee bend and swing path. When your lie angle isnt correct it will be difficult to make good ball contact which will negatively affect your performance.

When your lie angle is correct for you it should allow the sole of the clubhead to strike the ground flat. When you measure the angle between the ground and the shaft that is the lie angle. Factory lofts are off so you could still end up with some bad lie angles.
Loft and Lie Can Change With.
It affects the direction the clubface is pointing and thus how the ball leaves the clubface. Factory lofts are off so you could still end up with some bad lie angles. Loft and Lie Can Change With. 20110811 Golf Club Making - How to Adjust Lie Angle - YouTube.