Very good product, I wish you all would sand down the harsh metal edges. Seems like its a matter of time before it cuts the fabric. I honestly treat it as would any stirrup handle, but the torsion incorporated into the handle forces you to CONTROL the weight you pick up. The handle allows for both flexor dominant and extensor dominant grips into most exercises. Bottom line I've needed 1/2 the weight plus for exampl my arms have grown 1whole inch with just replacing a handle for tri's and bi's
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