But the easier path is to use futures.Easier, but with far higher expense! Need to constantly roll them over. I want an instrument that doesn't require anything. In other words, the great bull bond run from ~1982 till now is probably going to reverse over the next 10-20-30 years. I am looking for an easy way to play that.And when 30-year treasury rates hit 8, 9, 10, or 13 percent, I'll play the other direction (that is, if I'm still alive at the time). Probably by buying the longest term zeros available and holding till maturity.