Several styles fopr your needs
The old time favorite for walleye and crappie anglers.
The easiest stop knot in the world. Simply place fingers in loops and pull. Fast, Easy, Works every time.
Speed Bumps work great as bobber stops and for Carolina rigging.
45 Speed Bumps in three sizes small, medium, large
Speed Stops won't cut your line
Speed Weaver holds fast and won't damage line.
Handy bobber stop holds tight and
works with any slip float.