Wirelessly posted (BlackBerry9000/4.6.0.167 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102 UP.Link/6.3.0.0.0)

The quickest way would be to 1. Stop winding manually when you feel it come loose from the take p and 2. Consult manual for auto cameras, most have a setting to leave the leader out on rewind.