The arm straps for abdominal workout from Best Body Nutrition have many buyers believe. Under 45 customer reviews at online store Amazon.de the arm loops received 40 times the top score. Overall, the aid for the abdominal muscles received a little at top end of average grade of 4.8 out of 5 stars. Muscle Forge X Our conclusion: Sofimo.de convinced especially the high-quality processing of arm straps and the comfortable feeling during exercise. The seams are clean, there is no scratching and rubbing on the skin. This model is absolutely worth the money. https://healthsuperplace.wordpress.com/2015/06/06/muscle-forge-x/