how to catch fish. using bottle it take about 5 minutes to catch from 5 to 15 fish if you are lucky you could found big one all i throw all i got due to not to die
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tools you need
knife!
water bottle

Step 1: Building

choose big size bottle also can use any size i choose this big size just to get more space for fish you can use small one

make sure that the bottle is closed then cut it with the knife on the middle, cut 3 sides only

Step 2: Placing It

now add sand sand inside the bottle then pour some water after that put some bread at the corner as on the image then find the best place to put it and leave it from 5 to 10 minute