Create Deformers > Point On Curve >

Keep Original

If on, Point On Curve retains the original curve shape (default name: lsqModCurven). Default is off.

Point Weight

Specifies how much influence the point on curve locator constraint should have on the curve’s shape relative to other point on curve locator constraints. Set values from 0.1000 (least influence) to 1.0000 (most influence). Default is 1.0000.