NERF DOG Trackshot: Tough Plush Fun! Trackshot is NERF DOG’s specialty line of durable plush toys that stand up to a dog’s teeth, thanks to the sturdy woven nylon exterior with tear-resistant polyurethane rubber coating. The NERF DOG medium Trackshot Toss and Tug Ring will entertain the owner and the dog for hours on end! Sturdy woven nylon disc has a tear-resistant coating that stands up to teeth. Great to use as a flying toss disc in a game of fetch. It’s tough enough to play tug of war with your best friend, too!