Russian Kettlebell - 16kg (35lb) A must have in any training arsenal.
Great for all kinds of dynamic exercises!
Core Stix at the Los Angeles Fitness Expo 2013! I tried these myself these are awesome for engaging the core the the whole body.
Vintage Gymnastics @ Amsterdam Modern
Amazon.com: Gaiam Grippy Yoga Towel: Sports & Outdoors
Rogue VooDoo Floss Bands