Homework First
From FamiWiki
Homework First is a third party lock mechanism for the Nintendo Entertainment System released by SelfCare Products, Inc. in 1989. The product retailed for around $20.
![](https://cdn.famiwiki.net/thumb/4/4d/Homework_First_Demo.png/300px-Homework_First_Demo.png)
Demonstration of the Homework First lock blocking an NES Game Pak.