The Lasso tool allows you to draw a freehand selection border around the objects you want to select in your image.
Photoshop Lasso Tool
  1. Select the Lasso tool (L) .

  2. Use the Options bar to customize tool settings, like Add to selection, Subtract from selection, and Select and Mask, to get the effect you want.

  3. Drag to draw a selection border around the object.

  4. Release the mouse (without holding down Alt or Option) to close the selection border.