Step 3: Fusing!
Achtung! There is fire involved with this step, so be careful, unless you like melted Nylon on your skin / pain.
For this part, you'll want to fuse the paracord, not whip it, fusing will just make it easier to work with, and double as aglets. If you are using a brand new bundle of paracord, or are at the very end of the cord, one end will be fused already. If not, you'll just have to do this step twice.
Holding near the frayed end of the paracord, but not at the very end, light it up! Wait for the inner cords to start melting. It's alright if there's a tiny flame, it will probably burn itself out, but be careful!