You'd be better off deciding to put these rigs together correctly (and safely, I might add). This, for example, is a disaster waiting to happen:



This shot appears to show only two teeth completely engaging with the chain:



This is not good. Seriously, there are people here who can help if you'd open your mind to suggestions. Have you no empathy or concern for the safety and well-being of possible purchasers of your POSs?

DD