Internet woodworking forums are great places. You can observe or enter into a debate about how many angels can dance on the head of a pin, and you can follow that on a tangent about what’s the best type of pin for the angels to dance on, and someone will likely come along to sell you exactly the right pin.
By registering, I acknowledge and agree to Active Interest Media's (AIM) Terms of Service and to AIM's use of my contact information to communicate with me about AIM, its brands or its third-party partners' products, services, events and research opportunities. AIM's use of the information I provide will be consistent with the AIM Privacy Policy.