Taming And Training Devices TRIZ Cases
- Retractable Leash Bi-directional Brake and Non-uniform Spool Teeth
A retractable leash system uses a bi-directional pivoting brake tip to control extension length.
- Feather Flyer Pet Toy Merging Catnip and Erratic Movement
A shuttlecock-style pet toy combines catnip filling with a feather tail to create erratic flight patterns.