Adjusting Anti-Chatter Rods

[Dennisfly]

35 Tudor Sedan. Depending on my clutch technique, I sometimes have some minor chatter when starting out, more so in reverse. A friend suggested that I need to adjust the ant-chatter rods. I looked at the rods and they appear to be fixed with an eyelet at the rear X frame adjustment and at the front they attach to the bell housing with a ridge on the rod and a castellated nut. I don't see any accommodation for an adjustment. They don't appear to be loose. Am I missing something?