Please welcome Eyoyo Underwater Fishing Cameras.https://amzn.to/3siEgXn
GPS WS
I put a big sign up that sez: "Fish Here!" Only I put in in English, so nobody else can understand it. ha ha haGPS works for me
I walk to the bank and get a small piece of a stick about 6" long and lay it next to the hole. Most people walk right by thinking its just crap blown on the ice not even knowing I'm marking a brush pile or weedbed holding fish.