How do you properly attach a bobber to a fishing line for optimal buoyancy and visibility while fishing?

To properly attach a bobber to a fishing line for optimal buoyancy and visibility while fishing, follow these steps:

1. Slide the bobber onto the fishing line.
2. Adjust the position of the bobber on the line based on the depth you want to fish at.
3. Secure the bobber in place by tying a small knot above and below it.
4. Make sure the bobber is floating upright and is easily visible on the water's surface.
5. Cast your line and wait for a fish to bite.