4 links to products have been added on 3 ideas about #fishing.
  1. Why not just purchase a portable sonar device? You can find some affordable entry-level options like the one here from Amazon!

  2. You can get them here https://www.amazon.co.uk/TOMSHOO-Raincoat-Waterproof-Tarpaulin-1-Multifunctional/dp/B085RMF271