As used by carly cole model fitness trainer and mum crunch punch your way to lean six pack abs and that sexy bikini shape you have always wantedr my knock out abs system targets my waistline whilst i work on my arms its simple effective and great fun carly coler this product can give you the results of a professional boxing gym in your own home because it uses the established techniques that boxers use to maintain a strong and powerful corethis type of exercise is known as the