this way you can set them the way they are supposed to be set. catches are a bit inconsistent with a mixture of small and female crabs to pick through until you score some good sized bucks. i had to drill open one of the case screws as it was stuck. we have done this many times. does he have benjamin-button-syndrome? they are then sprinkled with paprika and let me just say — they are a holiday tradition in our home through and through! 