Dog collars are at the top of the list for dog supply basics, but choosing the right one isn’t so simple. Some types are better than others, some work better in certain situations, and some ...

Greenwood, Robin, and Luis M. Viceira. "Martingale Asset Management LP in 2008, 130/30 Funds, and a Low-Volatility Strategy (TN)." Harvard Business School Teaching Note 211-079, January 2011. (Revised ...

Cons of Martingale Collars: Pros of Head Collars: Cons of Head Collars: Remember: The best collar for your dog is the one that fits comfortably, is safe for their needs, and suits your lifestyle.