I am about to create one for my boat. It has a small opening at the top that on lakes like JP or Grapevine, the fish can jump over to the other side. I had to not weigh in a couple of years ago due to this problem. My buddy and I fished Grapevine and I had 5 and he had 4 and they were all on one side (I now use cull rings). We had to throw them all back and just laughed it off due to it being a club tournament that we didn't do anything anyway, but I am having my FIL build one to my specs. He has a 3D printer so I am going to alleviate this issue.