I received my Iron Chest Master 19 days ago and started using it immediately. After working out with it for 30 mins, I was impressed by the outcome of how pumped my chest felt after completing 8 sets of 8-10 repetitions; then I switched the red bands out for the black resistance bands for a tougher challenge and it felt like I was doing a Max PR on chest flyes. Get your Iron Chest Master and build your chest to the top tier condition you want it to be, I guarantee you won't be disappointed. Thank you Ron Williams