60 pin male to 60 pin female adapter

[Magicantian]

Just recently bought a lot of Famicoms and would like to test each system to ensure it works without dirtying the contacts of the only cart I have.

Is there such a condom?   

[Jedi Master Baiter]

Famicom Game Genie? Something like this: https://www.chrismcovell.com/fcrocky.html

[muramasa]

I'm guessing that what you want is going to cost more then just getting a few cheap Famicom games to test with.

[FAMICOM_87]

I'm guessing that what you want is going to cost more then just getting a few cheap Famicom games to test with.

yes even you can get good cheap multi-cards to play    

[Magicantian]

Ended up doing just that, picked up a copy of Gradius to use as the dirty birdy.