Four + kick paragraph: Based on the increase in the triple function kicks, leg fitted with dumbbell Duanlian more effective.
Observing + arm plate models: Based on the increase in the triple function kicks and arm plate function, with the dumbbell biceps Duanlian together more effectively.
Observing +Arm board + rope models: the triple Increase on the basis of the function kicks, arm plate function, drawstring function. Duanlian auxiliary arm works well.
Luxury upgrade sports leather lattice models: The above four features are all there, the more the whole, better quality, more wider and thicker panel, imports of high-quality PU leather plaid scratch hypoallergenic, easy to wear and durable lying broken. The above Duanlian more comfortable.