Supplied through Gappay this dumbell is made from wood (ends) and nylon middle. One end of the dumbell is held on by a strong magnet.
The magnetic end of the dumbell can be pulled off and the bar slid through the dogs mouth if the dog does not have a firm grip on the dumbell, this encourages the dog to have a firmer grip on the dumbell. Refer to training retrieve training system by Jogi Zank.
The dumbbell is made from wood (ends) and nylon (middle).