The Non Slip Loop Knot. The strongest loop knot you can tie. Used by big game anglers worldwide. Easy to tie, far stronger and more reliable than the old fashioned strangulating figure eight knot that can substantially weaken line.
Free Survival Tools available now. Lots of free survival tools offers.
Make your own paracord survival bracelet. Customize it to your needs and save yourself some money. The pre-made loaded bracelets typically cost about $60, but you can buy the supplies to make about 10 or more for the same price. Update: I've swapped the regular whistle buckle to a whistle buckle with a hidden handcuff key, added reflective tape to both sides of the female end of the buckle, and added a 2" saw blade inside the bracelet.