So Kevin,AmiableLabs said:It depends! (courtesy LVL).
Ninety-nine percent of ours are valveless.
BUT we do keep some of the valved ones around so we can train on heavy sinkers.
I figure they are mostly to entertain the dogs. Scooter can pick them out faster than you can blink. I've seen her stop to pick them out on the way back.Dustin said:Hey,
Dont want to GDG this thread but what excatly are the valves for? All of mine have valves but I have never messed with them.