If the artificial sinew seems suspect I'll probably use waxed thread or just the heavy upholstery thread I've normally used in the past instead. My main reason for choosing the sinew was aesthetics and curiosity.
Deer leg sinew is my favorite for bow backing; the elk sinew is a bit stiff and wiry, but you get way more material per piece. A good online vendor I found is "White Fox fur and feather" on Etsy... they have good quality elk sinew for a very reasonable price.
I've been keeping a lot of good sinew from deer I've taken for the past few years. I had no particular plans for it but now I want to make a string for a takedown bow (which I haven't made yet) for a more permanent bow drill set I'm working on. I quickly whipped out about 30" of cordage the...
Artificial sinew is exceptionally strong: Far stronger than any natural thread with the possible exception of real sinew. You can also flame the ending knots to melt them, thus securing against your stitching ever coming untied.
Inspired by Hawkeye’s knife from the 90’s film, the blade is 1075 and the handle is deer leg with imitation sinew wrapping.12” overall. No sheath is...
Artificial sinew is crazy strong, cheap, and if it's too big for the particular purpose, you can strip it down into narrower threads. I don't think it looks as nice as round thread (art. sinew is flat), but it is very effective.