Beyblade PS1 game

in the beyblade ps1 game how do i activate the beast inside the blade in the tournaments??

ive done it before but know i cant remember how to and my beast (kid dragon) is only lvl 0......

so does any one know???
http://www.gamefaqs.com/console/psx/file/915143/21845 Here's a strategy guide.

Try searching online first. Most people here don't care about the video game... Locked.