See the ideas shared at the 2016 Sharpeners Jam. The ideas are great, the audio is not always wonderful due to the AC in the building. However, you will be able to get a lot of suggestions that will work for you. Sharpener hacks include a home made knife machine, marketing ideas, an easy way to set a clipper spring tension and more. The winning idea utilized rubberbands in a way you never thought of.
38 minute DVD