wooden heads

I have small, cheap, non-tunable bongos:

I want to add to them wooden heads,
which wood would you recommend me?

I want to add to them wooden heads,
which wood would you recommend me?
The World of Percussions
http://www.mycongaplace.com/forum/eng/
http://www.mycongaplace.com/forum/eng/viewtopic.php?f=2&t=6594