Your search "tispter" resulted in 3 Articles
It's been probably done before, so I'll not claim it as totally my idea but it's a nice little addition to your shooting with holga.
If you are looking for an original way to make doubles, this is your tipster. Circles, squares, hearts, and anything that pops in your mind.
The new Lomography Orca 110 film has made a big splash so we thought we’d collect all that you needed to know in one place in order to make your life easier. Curious about Orca? Then you’ve come to the right place.