John writes “If you have one of the hip Holga 120 ‘plastic-cams’ shooting 120 format film has it’s drawbacks, namely you can’t get it processed just anywhere. Well don’t dispaire, with a very small bit of work you can make a 35mm film adapter for it. Just need rubber bands and foam blocks (cardboard will do).BTW, this mod should work for most 120 cameras…” Link.