Hey just a thought , put all of your fish frames , in chicken wire , like in a roll , frames in chicken wire ,roll the chicken wire up , like a tube , when they have been blown , wrap in news paper , and bury , take out and shake the maggots out …...EASY , most of the fish stays in the mesh , shake , shake and put the SH&t in the neighbours bin . not Rocket science ……….…………. and you don't need a Vernier, to measure , fish don't go on size ……..of maggots …….? and the science that goes into …….. maybe catching F%^k all .