Adhesive bras are a great alternative, especially since advances in the adhesive itself mean you won't deal with an excess of stickiness, or a possible allergic reaction unless you have extremely sensitive skin.
The jute fibers make this mat extremely durable, and PER provides stickiness, cushiness and superior grip to create a mat that is completely biodegradable, PVC-free, and machine-washable.
When shopping for the best yoga mat, you should consider size, durability, cushioning, and stickiness along with personal preference, budget, and the type of yoga you plan to practice.
The Gaiam Premium Sticky mat stands up to many years of use, and its stickiness can be revived over the long-term by washing it with one-fourth cup of vinegar.
But if you DO have a topic that may carry enough fodder for a discussion, by all means give it a shot, since this is what creates the coveted "stickiness".