Yoga has numerous health benefits, but many new practitioners find themselves with injuries because they don’t perform the positions correctly. Yoga by Numbers is speciality yoga mat comes with gridlines and numbered targets to help yogis practice safely. The company has filmed DVDs to help aspirants learn the mechanics of poses with their mat, making yoga more accessible to everyone. The dog-loving team that developed the mat, which seeks to raise $17,000, is producing in the U.S. using natural rubbers; these are good for the environment and sticky enough for new yogis to get a good grip. The best reward deal seems to be the $120 starter package, which includes the mat, two DVDs, and a mat-carrying strap. It’s due in April 2014.