double reed

Sorry if this is in the wrong place. I was wondering if anyone knew how to make a double reed for either the bari or tenor. Has anyone ever tried this? Is it possible within reason? Thanks!

I am a high school alto saxophone player. I play in our schools symphonic band, jazz ensemble, and marching group. Now as you can see I get plenty of sax every day. My school music teacher asked me and another good sax player if we wished to play bassoon ONLY for symphonic band. This way I have...