I had packed my blue mesh bag (above) but had forgotten to toss the shell-net-on-a-stick into my suitcase prior to departing home. While in Fort Lauderdale, I bought a child’s version (the stick is shorter, and it’s plastic). So I was all set to do some shelling.
They do not have formal “swales” here in Caye Caulker; they have what look like naturally-carved ditches that run down to the sea to drain off the rain water. Looky what gets trapped in them!