Your search "film counter" resulted in 3 Articles
The first run of Lomography Orca 110 Pocket Film comes without Backing-Paper - so there is no Frame Counter and you have to count the frames you've taken, yourself. Time for some DIY framecounting and getting the Pocket Film Camera out of the dusty drawer! Don´t waste a frame!
Covering the film counter with something other than black tape...
Another accidental trick and this one looks great too!