This is a handle that serves three functions when cleaning fish: a razor blade to cut open the belly, a scoop to clean out the guts, and a scaler to scrape off the scales. This multi-functional tool is all that would be needed to quickly and effectively clean fish in order to increase the storage life. Full Product Page: http://www.appropedia.org/Fish_Cleaning_Tool This was designed within the course MSE4777 at MTU for an OSAT project. What is OSAT?: http://www.appropedia.org/Open_Source_Appropriate_Technology More about MTU's 3D Printing course: http://www.appropedia.org/MY4777