There's all different kinds out there with different firmness levels, so choose one that works for you (this one is on the soft side, which I like). (blog.jennasuedesign.com)
Although Tofu is sold in different firmness levels, the study's sponsor, House Foods America, indicated that the firm and extra firm Tofu are the most popular among new Tofu converts. (sciencedaily.com)
The difference between the two primarily is that the stick comes in different lengths and the foam roller comes in different firmness. (healthy4lifeonline.com)