Most exercisers need reliable gear to execute effective workouts, with the exception of mimes, who maintain svelte physiques using invisible weights and wearing body-contouring stripes. Achieve tangible results with today's Groupon: for $15, you get $30 worth of fitness and training equipment from LifelineUSA.

Founded in 1973 by Bobby Hinds, creator of the popular beaded jump rope, online retailer LifelineUSA continues to innovate and manufacture professional training equipment used by fitness enthusiasts and top athletes. Shoppers can browse the large selection of products in categories that include core training, weight loss, self-levitation, and strength training. A Monster Walk cable ($16.99) provides 50 pounds of resistance between two soft ankle cushions to strengthen the lower body and core while enhancing agility and comes with an instructional DVD by fitness expert Jon Hinds. The signature Power Jump Rope ($11.99) comes in yellow, silver, or red and ups the ante of any aerobic routine, and a 44-inch cardio belt ($7.99) can attach to a heavy-duty door attachment ($4.99) to provide added resistance challenges to squats, lunges, or games of tag.