I have heard of only one use for these Speedo Beads and have never used them . A you tube video I watched showed they can be attached to tip up line for ice fishing to mark how far in the column you want to maintain. 
Bruce-Buttons used this way; I've heard of and seem more practical economy wise. Who doesn't have buttons laying around! But not easier as I see it unless applied before one gets on the ice. Unless you have a quick way of applying them, I don't understand.
Don't recall buying them but they've been around in my house unused for a long time.
Bruce Tomaselli
Great idea for a line marker. I use buttons and that's a lot easier. Where did you buy those?
Jan 6
John Sheehan
Bruce-Buttons used this way; I've heard of and seem more practical economy wise. Who doesn't have buttons laying around! But not easier as I see it unless applied before one gets on the ice. Unless you have a quick way of applying them, I don't understand.
Don't recall buying them but they've been around in my house unused for a long time.
Jan 6
Bruce Tomaselli
They look like they should work as good line markers.
Jan 7