Dale,
I'm younger than most on this forum, but when I was a teen, not to long ago, I helped my neighbor trap minnows with glass traps. He thought they worked better than metal mesh as they were invisible in the water. I never saw them for sale in the local bait shops, but he had several of them.
He dug a few shallow trenches in his backyard and thougth he would open a minnow business. He would sell to local bait shops. He didn't have aeration and thinking back on it now I don't know how those minnows survived the summers.
He has 'secret' trapping and seining spots. It sounds terrible now to think about it but when we went to check the traps or seine the minnows he would make me wear a blindfold in the truck so I wouldn't report his secret spot to anyone else. A little paranoia going on there. I was foolish and young and just went along with the plan, happy to please and happy to make a little money doing something fun outside.
His side business didn't last long and he ended up filling his back yard minnow trenches back in.
Here is one for sale on our local craigslist. I'm tempted to buy it just for the 'collector's value' and sentimental value. It is intriguing how invisible they are (if the glass is very clean to start with) once in the water. Only the bait inside shows.
