In this picture it shows three diferent style fletchings. The first has very little effect on straightening the arrow. The second makes the arrow spin faster. The third slows the arrow down and makes the arrow arc more.
Pump Fire Drill - The Iroquois invented this ingenious pump drill, which uses a flywheel to generate friction. The crossbar and flywheel are made of hardwood; the spindle and fireboard are made from softwoods (as in the ha