To keep it short, def go for the licensing route if you're not comfortable getting into the manufacturing business. I've done it and it's tough. You should be able to shop potential licensors by going to the local hardware store and seeing the main brands on the shelf & going after them. You will need a good sell sheet. Listen to this podcast, bud, it will help: http://www.smartpassiveincome.com/how-to-get-paid-for-your-ideas/