The best way to strengthen any muscle group is to increase the weight being pulled, one way is simply placing this Sporti Pull Buoy between your knees allows your arms to pull your whole weight through the water.
Sporti Pull Buoy
$15.00Price
The best way to strengthen any muscle group is to increase the weight being pulled, one way is simply placing this Sporti Pull Buoy between your knees allows your arms to pull your whole weight through the water.