This video will show you how to make i-cord using pegs from a knitting rake or loom. The easiest way to cast off is to cut your tail yarn and thread it on a tapestry needle and take that tail through all 3 or 4 loops, pull tight and then knot.
by Paracord 101
by Sara Spoltore
by Irmgard Rawn
by The Crochet Crowd
by ABC TV
by How To Cook That
by Stitching with Azra