Is There a Way to Get Exposure to Long Volatility?

I've always felt that macro investing is so hard because you need to get two things very right. You need to guess rr accurately forecast with some consistency what's going to happen. But more importantly, you need to position your portfolio in a way that will actually benefit if, if your forecasts come true. And those are two very hard things to do or impossible to identify someone that can do them for you. I think one of the senorios that really is quite scary is a de stabilization of both stocks and bonds. There is a question, will the global financial system be able to tolerate a 100 or 200 basis point increase in rates over a period of a year without a complete melt