>>1667003There's a ton of equipment you can make with stuff laying around either from material materials or manmade items. Like whittling out bobbers and plug lures from wood/wine corks, making netting from any cordage, fish traps or creel baskets weaved from withies/vines/reed/cattail/inner tree bark/coiled grass, or even gorge hook flies for fly fishing. Also, if you get into fly fishing or even just streamer/jig fly making you may find this image helpful for quick DIY alternatives to some of the tools used to make flies before buying them.