Treestands are by far the most dangerous part of deer hunting, of all kinds of hunting. Sadly, 80 percent of the people who had a treestand accident in 2014 were not wearing a harness or any form of fall restraint. That is an appalling statistic, given that every manufactured treestand since 2004 has been sold with a full body harness; and there are more than a million sold every year.
Before you hunt check your stand’s belts, chains, bolts, and attachment cords for damage and wear. Set up the stand once at home before opening day. Hunt with someone nearby and have a cell phone and/or radio for communication. Select a proper tree for your stand. Use a full-body safety harness properly at all times, especially when climbing up or down (most falls occur during these times). Never carry anything as you climb – use a haul line to raise and lower equipment.
Here is a good treestand safety course online: www.huntercourse.com/treestandsafety/. Also, check out these excellent YouTube videos on how to correctly use treestand equipment, created by Hunter Safety Systems: "How to safely use a lifeline," "How to use the climbing belt," and "How to adjust your HSS harness". See them at www.youtube.com/HunterSafetySystemTV.