Gruntz:
You begin the game with a Bare-handed Grunt .
Somewhere along the line, that Grunt will acquire a GooberStraw .
Use of a Tool such as this will result in baking new Gruntz.
When given a choice, alwayz give a Tool to a Bare-handed Grunt .
Altogether, you will have baked four (useful) new Gruntz at the end.