You will launch yourself into having the most toned abs of your life with the Ab Rocket Twister. Additional Information * Targets upper and lower abs; obliques * 3 levels of resistance * 3 types of resistance springs * Neck and back support About E Mishan, Inc.: E Mishan is a family-owned business established in 1946. They import and manufacture ingenious products with mass appeal and has specialized in ""As Seen On TV"" products since the early 1980s. From clocks to electrical and non-electrical housewares, E Mishan has all the top quality, must-have items you need. * Targets upper and lower abs, obliques * Leans and twists * 3 levels of resistance * No neck or back strain * Manufacturer"s warranty included