I have also successfully connected my new DL2000 to my steel tube which attaches to a full metal belt. I used two pieces of stainless steel banding material insulated against the tube using a piece of electrical tape as the contacts. The stainless steel band is from those metal hose clamps that you can get at any hardware store. The strips are rigid yet flexible enough to maintain its shape once bent and allow a very custom like fit into any cage, even plastic. For my first stab at it it all turned out very well! Let me know if any of ya'll out there are curious with creating something similar for yourselves.