I realized I forgot to post about this: paracord bracelets are sort-of-nice (but also not really usable in practice), but I've found instructions for a very nice belt out of which you can actually unravel bits of cord and use them.

I've done a bit, as a test, and I'd think I will just add D-rings to the end and use it as a bag strap (which also helps being able to cut away some and still keep it usable: a belt with a side release buckle doesn't give lots of room for size adjustment, even if it is somewhat elastic.

Slatts Rescue Belt Knot

Do you ever travel in the wilds, back pack, or have you ever needed a rescue, safety or escape rope? Ever since I was at school and a boy drowned in a local river I have always wanted to make something that could have saved his life. Like Batman's Utility belt So, one day I started to play with a bit of 5mm climbing rope and to ...