First of all, thank you for posting a genuine tripod query ! If you mean the lever to free the quick release plate, there may be some form of interlock to prevent it coming undone accidentally - have a look underneath. If that is not the answer, try this link - they may be able / prepared to help you. ProMasterHD Movie Head 8656
Answers & Comments
First of all, thank you for posting a genuine tripod query ! If you mean the lever to free the quick release plate, there may be some form of interlock to prevent it coming undone accidentally - have a look underneath.
If that is not the answer, try this link - they may be able / prepared to help you.
ProMasterHD Movie Head 8656