Hugger Mugger Cork Block: A 9- by 5 1/2 - by- 3 1/2 -inch block made of cork. Blocks are used as support for difficult movements and poses, such as sitting for a prolonged period on the haunches.
Likes: Stays drier than typical foam blocks.
Price: $15.95. (800) 473-4888; www.huggermugger.com.
Roy Wallack is the author of "Run for Life: The Anti-Aging, Anti-Injury, Super-Fitness Plan to Keep You Running to 100." firstname.lastname@example.org.