Irrigation spikes - attach these spikes to old soft drink bottles to create an efficient irrigation system for your garden! The slow-drip design delivers water deep into the soil, so your plants stay nourished while you save time watering.
Corner Clamp. Similar clamps sell for over $100 in stores, this guy built it from scrap! Awesome job!
90 Degree Angle Fixturing Clamp Welding Plans
Изготовление угловой струбцины. The production of angle cramp. - YouTube