Lifetime neighbors, friends find new use for field peas with Pea Pawd cat litter Chad Blaser and Mark Olson came up with the purr-fect business idea after noticing how absorbent field-pea chips are. Written By: J.J. Perry | × Friends Chad Blaser and Wayne Olson have developed Pea Pawd, a cat litter made from field peas. Special to The Forum FOSSTON, Minn. — Those darned cats. Chad Blaser just couldn't keep his farm kitties out of the peas. At the time, Blaser was raising sheep near Fosston, Minn., and was giving field pea chips to his lambs as an affordable, high-protein feed. But the resident felines weren't sheepish about using the legume-filled feed bunks as their own custom litter boxes.